97147290 has 16 divisors (see below), whose sum is σ = 233153568. Its totient is φ = 25905936.

The previous prime is 97147289. The next prime is 97147301. The reversal of 97147290 is 9274179.

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, 1619092 + ... + 1619151.

It is an arithmetic number, because the mean of its divisors is an integer number (14572098).

Almost surely, 2^97147290 is an apocalyptic number.

97147290 is an abundant number, since it is smaller than the sum of its proper divisors (136006278).

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

97147290 is a wasteful number, since it uses less digits than its factorization.

97147290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3238253.

The product of its (nonzero) digits is 31752, while the sum is 39.

The square root of 97147290 is about 9856.3324822167. The cubic root of 97147290 is about 459.7025329470.

The spelling of 97147290 in words is "ninety-seven million, one hundred forty-seven thousand, two hundred ninety".