887399490 has 192 divisors, whose sum is σ = 2450746368. Its totient is φ = 204595200.

The previous prime is 887399489. The next prime is 887399497. The reversal of 887399490 is 94993788.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 887399490.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (887399497) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 21643870 + ... + 21643910.

It is an arithmetic number, because the mean of its divisors is an integer number (12764304).

Almost surely, 2^887399490 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 887399490, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1225373184).

887399490 is an abundant number, since it is smaller than the sum of its proper divisors (1563346878).

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

887399490 is a wasteful number, since it uses less digits than its factorization.

887399490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173 (or 136 counting only the distinct ones).

The product of its (nonzero) digits is 3919104, while the sum is 57.

The square root of 887399490 is about 29789.2512494020. The cubic root of 887399490 is about 960.9623920923.

The spelling of 887399490 in words is "eight hundred eighty-seven million, three hundred ninety-nine thousand, four hundred ninety".