97153994 has 8 divisors (see below), whose sum is σ = 166549728. Its totient is φ = 41637420.

The previous prime is 97153933. The next prime is 97153999. The reversal of 97153994 is 49935179.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (97153999) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3469772 + ... + 3469799.

It is an arithmetic number, because the mean of its divisors is an integer number (20818716).

Almost surely, 2^97153994 is an apocalyptic number.

97153994 is a deficient number, since it is larger than the sum of its proper divisors (69395734).

97153994 is a wasteful number, since it uses less digits than its factorization.

97153994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6939580.

The product of its digits is 306180, while the sum is 47.

The square root of 97153994 is about 9856.6725622798. The cubic root of 97153994 is about 459.7131071822.

The spelling of 97153994 in words is "ninety-seven million, one hundred fifty-three thousand, nine hundred ninety-four".