881987400 has 192 divisors, whose sum is σ = 3472099200. Its totient is φ = 201588480.

The previous prime is 881987377. The next prime is 881987413. The reversal of 881987400 is 4789188.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 26134 + ... + 49466.

It is an arithmetic number, because the mean of its divisors is an integer number (18083850).

Almost surely, 2^881987400 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 881987400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1736049600).

881987400 is an abundant number, since it is smaller than the sum of its proper divisors (2590111800).

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

881987400 is a wasteful number, since it uses less digits than its factorization.

881987400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23365 (or 23350 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 45.

The square root of 881987400 is about 29698.2726770430. The cubic root of 881987400 is about 959.0048280991.

The spelling of 881987400 in words is "eight hundred eighty-one million, nine hundred eighty-seven thousand, four hundred".