97909150 has 12 divisors (see below), whose sum is σ = 182111112. Its totient is φ = 39163640.

The previous prime is 97909117. The next prime is 97909153. The reversal of 97909150 is 5190979.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97909153) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 979042 + ... + 979141.

It is an arithmetic number, because the mean of its divisors is an integer number (15175926).

Almost surely, 2^97909150 is an apocalyptic number.

97909150 is a deficient number, since it is larger than the sum of its proper divisors (84201962).

97909150 is a wasteful number, since it uses less digits than its factorization.

97909150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1958195 (or 1958190 counting only the distinct ones).

The product of its (nonzero) digits is 25515, while the sum is 40.

The square root of 97909150 is about 9894.9052547258. The cubic root of 97909150 is about 460.9011164042.

The spelling of 97909150 in words is "ninety-seven million, nine hundred nine thousand, one hundred fifty".