97904349 has 8 divisors (see below), whose sum is σ = 145043520. Its totient is φ = 65269548.

The previous prime is 97904347. The next prime is 97904357. The reversal of 97904349 is 94340979.

It is not a de Polignac number, because 97904349 - 2¹ = 97904347 is a prime.

It is a super-2 number, since 2×97904349² = 19170523106227602, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97904347) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1813017 + ... + 1813070.

It is an arithmetic number, because the mean of its divisors is an integer number (18130440).

Almost surely, 2^97904349 is an apocalyptic number.

It is an amenable number.

97904349 is a deficient number, since it is larger than the sum of its proper divisors (47139171).

97904349 is a wasteful number, since it uses less digits than its factorization.

97904349 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3626096 (or 3626090 counting only the distinct ones).

The product of its (nonzero) digits is 244944, while the sum is 45.

The square root of 97904349 is about 9894.6626521575. The cubic root of 97904349 is about 460.8935828134.

The spelling of 97904349 in words is "ninety-seven million, nine hundred four thousand, three hundred forty-nine".