97400 has 24 divisors (see below), whose sum is σ = 226920. Its totient is φ = 38880.

The previous prime is 97397. The next prime is 97423. The reversal of 97400 is 479.

97400 = 50² + 51² + ... + 74².

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a nialpdrome in base 10.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 44 + ... + 443.

It is an arithmetic number, because the mean of its divisors is an integer number (9455).

2⁹⁷⁴⁰⁰ is an apocalyptic number.

It is an amenable number.

97400 is an abundant number, since it is smaller than the sum of its proper divisors (129520).

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

97400 is a wasteful number, since it uses less digits than its factorization.

97400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 503 (or 494 counting only the distinct ones).

The product of its (nonzero) digits is 252, while the sum is 20.

The square root of 97400 is about 312.0897306865. The cubic root of 97400 is about 46.0100797067.

Adding to 97400 its reverse (479), we get a palindrome (97879).

The spelling of 97400 in words is "ninety-seven thousand, four hundred".