97439898 has 8 divisors (see below), whose sum is σ = 194879808. Its totient is φ = 32479964.

The previous prime is 97439897. The next prime is 97439899. The reversal of 97439898 is 89893479.

It is an interprime number because it is at equal distance from previous prime (97439897) and next prime (97439899).

It is a sphenic number, since it is the product of 3 distinct primes.

97439898 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (97439893) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8119986 + ... + 8119997.

It is an arithmetic number, because the mean of its divisors is an integer number (24359976).

Almost surely, 2^97439898 is an apocalyptic number.

97439898 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

97439898 is a wasteful number, since it uses less digits than its factorization.

97439898 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16239988.

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

The square root of 97439898 is about 9871.1649768404. The cubic root of 97439898 is about 460.1636122471.

The spelling of 97439898 in words is "ninety-seven million, four hundred thirty-nine thousand, eight hundred ninety-eight".