890849245 has 16 divisors (see below), whose sum is σ = 1255911552. Its totient is φ = 598052160.

The previous prime is 890849227. The next prime is 890849273. The reversal of 890849245 is 542948098.

It is not a de Polignac number, because 890849245 - 2¹¹ = 890847197 is a prime.

It is a super-2 number, since 2×890849245² = 1587224754634140050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 622257 + ... + 623686.

It is an arithmetic number, because the mean of its divisors is an integer number (78494472).

Almost surely, 2^890849245 is an apocalyptic number.

It is an amenable number.

890849245 is a deficient number, since it is larger than the sum of its proper divisors (365062307).

890849245 is a wasteful number, since it uses less digits than its factorization.

890849245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1245972.

The product of its (nonzero) digits is 829440, while the sum is 49.

The square root of 890849245 is about 29847.0977651094. The cubic root of 890849245 is about 962.2060252488.

The spelling of 890849245 in words is "eight hundred ninety million, eight hundred forty-nine thousand, two hundred forty-five".