97849944 has 160 divisors (see below), whose sum is σ = 292723200. Its totient is φ = 30481920.

The previous prime is 97849933. The next prime is 97849967. The reversal of 97849944 is 44994879.

It is a happy number.

It is a super-2 number, since 2×97849944² = 19149223081606272, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 770409 + ... + 770535.

It is an arithmetic number, because the mean of its divisors is an integer number (1829520).

Almost surely, 2^97849944 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 97849944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (146361600).

97849944 is an abundant number, since it is smaller than the sum of its proper divisors (194873256).

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

97849944 is a wasteful number, since it uses less digits than its factorization.

97849944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 215 (or 202 counting only the distinct ones).

The product of its digits is 2612736, while the sum is 54.

The square root of 97849944 is about 9891.9130606774. The cubic root of 97849944 is about 460.8081948412.

The spelling of 97849944 in words is "ninety-seven million, eight hundred forty-nine thousand, nine hundred forty-four".