890893243 has 8 divisors (see below), whose sum is σ = 899728128. Its totient is φ = 882075264.

The previous prime is 890893219. The next prime is 890893351. The reversal of 890893243 is 342398098.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-890893243 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 890893193 and 890893202.

It is not an unprimeable number, because it can be changed into a prime (890833243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 119205 + ... + 126457.

It is an arithmetic number, because the mean of its divisors is an integer number (112466016).

Almost surely, 2^890893243 is an apocalyptic number.

890893243 is a deficient number, since it is larger than the sum of its proper divisors (8834885).

890893243 is a wasteful number, since it uses less digits than its factorization.

890893243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8453.

The product of its (nonzero) digits is 373248, while the sum is 46.

The square root of 890893243 is about 29847.8348125957. The cubic root of 890893243 is about 962.2218657306.

It can be divided in two parts, 890893 and 243, that added together give a square (891136 = 944²).

The spelling of 890893243 in words is "eight hundred ninety million, eight hundred ninety-three thousand, two hundred forty-three".