897199930 has 32 divisors (see below), whose sum is σ = 1785924288. Its totient is φ = 321782400.

The previous prime is 897199921. The next prime is 897199943. The reversal of 897199930 is 39991798.

It is a Harshad number since it is a multiple of its sum of digits (55).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 47836 + ... + 63895.

It is an arithmetic number, because the mean of its divisors is an integer number (55810134).

Almost surely, 2^897199930 is an apocalyptic number.

897199930 is a deficient number, since it is larger than the sum of its proper divisors (888724358).

897199930 is a wasteful number, since it uses less digits than its factorization.

897199930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111822.

The product of its (nonzero) digits is 1102248, while the sum is 55.

The square root of 897199930 is about 29953.2958119804. The cubic root of 897199930 is about 964.4870711418.

The spelling of 897199930 in words is "eight hundred ninety-seven million, one hundred ninety-nine thousand, nine hundred thirty".