890156349 has 12 divisors (see below), whose sum is σ = 1288716000. Its totient is φ = 592083144.

The previous prime is 890156341. The next prime is 890156353. The reversal of 890156349 is 943651098.

It is a happy number.

890156349 is a `hidden beast` number, since 8 + 9 + 0 + 1 + 5 + 634 + 9 = 666.

It is not a de Polignac number, because 890156349 - 2³ = 890156341 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (890156341) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 108699 + ... + 116600.

It is an arithmetic number, because the mean of its divisors is an integer number (107393000).

Almost surely, 2^890156349 is an apocalyptic number.

It is an amenable number.

890156349 is a deficient number, since it is larger than the sum of its proper divisors (398559651).

890156349 is a wasteful number, since it uses less digits than its factorization.

890156349 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 225744 (or 225741 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 45.

The square root of 890156349 is about 29835.4880804722. The cubic root of 890156349 is about 961.9564949501.

The spelling of 890156349 in words is "eight hundred ninety million, one hundred fifty-six thousand, three hundred forty-nine".