97681434 has 32 divisors (see below), whose sum is σ = 206599680. Its totient is φ = 30739200.

The previous prime is 97681417. The next prime is 97681457. The reversal of 97681434 is 43418679.

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, 1222 + ... + 14030.

It is an arithmetic number, because the mean of its divisors is an integer number (6456240).

Almost surely, 2^97681434 is an apocalyptic number.

97681434 is an abundant number, since it is smaller than the sum of its proper divisors (108918246).

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

97681434 is a wasteful number, since it uses less digits than its factorization.

97681434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12886.

The product of its digits is 145152, while the sum is 42.

The square root of 97681434 is about 9883.3918266959. The cubic root of 97681434 is about 460.5435194847.

The spelling of 97681434 in words is "ninety-seven million, six hundred eighty-one thousand, four hundred thirty-four".