97841172 has 192 divisors, whose sum is σ = 291723264. Its totient is φ = 25090560.

The previous prime is 97841143. The next prime is 97841189. The reversal of 97841172 is 27114879.

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a self number, because there is not a number n which added to its sum of digits gives 97841172.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1460283 + ... + 1460349.

It is an arithmetic number, because the mean of its divisors is an integer number (1519392).

Almost surely, 2^97841172 is an apocalyptic number.

97841172 is a gapful number since it is divisible by the number (92) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 97841172, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (145861632).

97841172 is an abundant number, since it is smaller than the sum of its proper divisors (193882092).

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

97841172 is a wasteful number, since it uses less digits than its factorization.

97841172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158 (or 156 counting only the distinct ones).

The product of its digits is 28224, while the sum is 39.

The square root of 97841172 is about 9891.4696582459. The cubic root of 97841172 is about 460.7944243333.

The spelling of 97841172 in words is "ninety-seven million, eight hundred forty-one thousand, one hundred seventy-two".