890783136 has 96 divisors (see below), whose sum is σ = 2750993280. Its totient is φ = 279456768.

The previous prime is 890783093. The next prime is 890783147. The reversal of 890783136 is 631387098.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (96).

It is a junction number, because it is equal to n+sod(n) for n = 890783091 and 890783100.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15636 + ... + 45011.

It is an arithmetic number, because the mean of its divisors is an integer number (28656180).

Almost surely, 2^890783136 is an apocalyptic number.

It is an amenable number.

890783136 is an abundant number, since it is smaller than the sum of its proper divisors (1860210144).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

890783136 is a wasteful number, since it uses less digits than its factorization.

890783136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60683 (or 60669 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 45.

The square root of 890783136 is about 29845.9902834535. The cubic root of 890783136 is about 962.1822232224.

The spelling of 890783136 in words is "eight hundred ninety million, seven hundred eighty-three thousand, one hundred thirty-six".