891514920 has 32 divisors (see below), whose sum is σ = 2674545120. Its totient is φ = 237737280.

The previous prime is 891514919. The next prime is 891514927. The reversal of 891514920 is 29415198.

It is not an unprimeable number, because it can be changed into a prime (891514927) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3714526 + ... + 3714765.

It is an arithmetic number, because the mean of its divisors is an integer number (83579535).

Almost surely, 2^891514920 is an apocalyptic number.

It is an amenable number.

891514920 is an abundant number, since it is smaller than the sum of its proper divisors (1783030200).

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

891514920 is a wasteful number, since it uses less digits than its factorization.

891514920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7429305 (or 7429301 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 39.

The square root of 891514920 is about 29858.2471019315. The cubic root of 891514920 is about 962.4456307063.

The spelling of 891514920 in words is "eight hundred ninety-one million, five hundred fourteen thousand, nine hundred twenty".