97902194 has 16 divisors (see below), whose sum is σ = 160744920. Its totient is φ = 44444160.

The previous prime is 97902179. The next prime is 97902199. The reversal of 97902194 is 49120979.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 70476025 + 27426169 = 8395^2 + 5237^2 .

It is not an unprimeable number, because it can be changed into a prime (97902199) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29279 + ... + 32450.

Almost surely, 2^97902194 is an apocalyptic number.

97902194 is a deficient number, since it is larger than the sum of its proper divisors (62842726).

97902194 is a wasteful number, since it uses less digits than its factorization.

97902194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61805.

The product of its (nonzero) digits is 40824, while the sum is 41.

The square root of 97902194 is about 9894.5537544651. The cubic root of 97902194 is about 460.8902011694.

The spelling of 97902194 in words is "ninety-seven million, nine hundred two thousand, one hundred ninety-four".