97099420 has 24 divisors (see below), whose sum is σ = 222446448. Its totient is φ = 35308800.

The previous prime is 97099411. The next prime is 97099517. The reversal of 97099420 is 2499079.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 220461 + ... + 220900.

It is an arithmetic number, because the mean of its divisors is an integer number (9268602).

Almost surely, 2^97099420 is an apocalyptic number.

It is an amenable number.

97099420 is an abundant number, since it is smaller than the sum of its proper divisors (125347028).

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

97099420 is a wasteful number, since it uses less digits than its factorization.

97099420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 441381 (or 441379 counting only the distinct ones).

The product of its (nonzero) digits is 40824, while the sum is 40.

The square root of 97099420 is about 9853.9037949434. The cubic root of 97099420 is about 459.6270133390.

The spelling of 97099420 in words is "ninety-seven million, ninety-nine thousand, four hundred twenty".