97213996 has 12 divisors (see below), whose sum is σ = 185590440. Its totient is φ = 44188160.

The previous prime is 97213957. The next prime is 97213997. The reversal of 97213996 is 69931279.

It is a super-2 number, since 2×97213996² = 18901122036576032, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (97213997) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1104661 + ... + 1104748.

It is an arithmetic number, because the mean of its divisors is an integer number (15465870).

Almost surely, 2^97213996 is an apocalyptic number.

It is an amenable number.

97213996 is a deficient number, since it is larger than the sum of its proper divisors (88376444).

97213996 is a wasteful number, since it uses less digits than its factorization.

97213996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2209424 (or 2209422 counting only the distinct ones).

The product of its digits is 183708, while the sum is 46.

The square root of 97213996 is about 9859.7158174057. The cubic root of 97213996 is about 459.8077268272.

The spelling of 97213996 in words is "ninety-seven million, two hundred thirteen thousand, nine hundred ninety-six".