890264093 has 4 divisors (see below), whose sum is σ = 890409660. Its totient is φ = 890118528.

The previous prime is 890264087. The next prime is 890264099. The reversal of 890264093 is 390462098.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (890264087) and next prime (890264099).

It can be written as a sum of positive squares in 2 ways, for example, as 126405049 + 763859044 = 11243^2 + 27638^2 .

It is a cyclic number.

It is not a de Polignac number, because 890264093 - 2⁴ = 890264077 is a prime.

It is a super-2 number, since 2×890264093² = 1585140310570225298, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 890264093.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (890264099) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 63188 + ... + 75981.

It is an arithmetic number, because the mean of its divisors is an integer number (222602415).

Almost surely, 2^890264093 is an apocalyptic number.

It is an amenable number.

890264093 is a deficient number, since it is larger than the sum of its proper divisors (145567).

890264093 is a wasteful number, since it uses less digits than its factorization.

890264093 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145566.

The product of its (nonzero) digits is 93312, while the sum is 41.

The square root of 890264093 is about 29837.2936607863. The cubic root of 890264093 is about 961.9953049334.

The spelling of 890264093 in words is "eight hundred ninety million, two hundred sixty-four thousand, ninety-three".