97944280 has 32 divisors (see below), whose sum is σ = 251857440. Its totient is φ = 33580800.

The previous prime is 97944277. The next prime is 97944299. The reversal of 97944280 is 8244979.

It is a Smith number, since the sum of its digits (43) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 174621 + ... + 175180.

It is an arithmetic number, because the mean of its divisors is an integer number (7870545).

Almost surely, 2^97944280 is an apocalyptic number.

It is an amenable number.

97944280 is an abundant number, since it is smaller than the sum of its proper divisors (153913160).

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

97944280 is a wasteful number, since it uses less digits than its factorization.

97944280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 349819 (or 349815 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 43.

The square root of 97944280 is about 9896.6802514783. The cubic root of 97944280 is about 460.9562338953.

The spelling of 97944280 in words is "ninety-seven million, nine hundred forty-four thousand, two hundred eighty".