890331893476 has 81 divisors (see below), whose sum is σ = 1646633223291. Its totient is φ = 421211433600.

The previous prime is 890331893449. The next prime is 890331893483. The reversal of 890331893476 is 674398133098.

The square root of 890331893476 is 943574.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 10532916900 + 879798976576 = 102630^2 + 937976^2 .

It is a super-2 number, since 2×890331893476² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 2862803361 + ... + 2862803671.

Almost surely, 2^890331893476 is an apocalyptic number.

890331893476 is the 943574-th square number.

It is an amenable number.

890331893476 is a deficient number, since it is larger than the sum of its proper divisors (756301329815).

890331893476 is an equidigital number, since it uses as much as digits as its factorization.

890331893476 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 782 (or 391 counting only the distinct ones).

The product of its (nonzero) digits is 23514624, while the sum is 61.

The spelling of 890331893476 in words is "eight hundred ninety billion, three hundred thirty-one million, eight hundred ninety-three thousand, four hundred seventy-six".