97909834 has 16 divisors (see below), whose sum is σ = 169641216. Its totient is φ = 41886400.

The previous prime is 97909769. The next prime is 97909853. The reversal of 97909834 is 43890979.

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, 130522 + ... + 131269.

It is an arithmetic number, because the mean of its divisors is an integer number (10602576).

Almost surely, 2^97909834 is an apocalyptic number.

97909834 is a deficient number, since it is larger than the sum of its proper divisors (71731382).

97909834 is a wasteful number, since it uses less digits than its factorization.

97909834 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 261821.

The product of its (nonzero) digits is 489888, while the sum is 49.

The square root of 97909834 is about 9894.9398179069. The cubic root of 97909834 is about 460.9021896973.

The spelling of 97909834 in words is "ninety-seven million, nine hundred nine thousand, eight hundred thirty-four".