97994390 has 16 divisors (see below), whose sum is σ = 189958608. Its totient is φ = 36182496.

The previous prime is 97994383. The next prime is 97994411. The reversal of 97994390 is 9349979.

It is a congruent number.

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, 376772 + ... + 377031.

It is an arithmetic number, because the mean of its divisors is an integer number (11872413).

Almost surely, 2^97994390 is an apocalyptic number.

97994390 is a deficient number, since it is larger than the sum of its proper divisors (91964218).

97994390 is a wasteful number, since it uses less digits than its factorization.

97994390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 753823.

The product of its (nonzero) digits is 551124, while the sum is 50.

The square root of 97994390 is about 9899.2115847677. The cubic root of 97994390 is about 461.0348315728.

The spelling of 97994390 in words is "ninety-seven million, nine hundred ninety-four thousand, three hundred ninety".