890387489332 has 72 divisors (see below), whose sum is σ = 1717842470400. Its totient is φ = 403510335360.

The previous prime is 890387489323. The next prime is 890387489347. The reversal of 890387489332 is 233984783098.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 309268269 + ... + 309271147.

It is an arithmetic number, because the mean of its divisors is an integer number (23858923200).

Almost surely, 2^890387489332 is an apocalyptic number.

It is an amenable number.

890387489332 is a deficient number, since it is larger than the sum of its proper divisors (827454981068).

890387489332 is a wasteful number, since it uses less digits than its factorization.

890387489332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4597 (or 4584 counting only the distinct ones).

The product of its (nonzero) digits is 62705664, while the sum is 64.

The spelling of 890387489332 in words is "eight hundred ninety billion, three hundred eighty-seven million, four hundred eighty-nine thousand, three hundred thirty-two".