97643400 has 48 divisors (see below), whose sum is σ = 302696400. Its totient is φ = 26038080.

The previous prime is 97643383. The next prime is 97643419. The reversal of 97643400 is 434679.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 80770 + ... + 81969.

It is an arithmetic number, because the mean of its divisors is an integer number (6306175).

Almost surely, 2^97643400 is an apocalyptic number.

It is an amenable number.

97643400 is an abundant number, since it is smaller than the sum of its proper divisors (205053000).

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

97643400 is a wasteful number, since it uses less digits than its factorization.

97643400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162758 (or 162749 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 33.

The square root of 97643400 is about 9881.4675023500. The cubic root of 97643400 is about 460.4837381274.

The spelling of 97643400 in words is "ninety-seven million, six hundred forty-three thousand, four hundred".