32397792 has 96 divisors (see below), whose sum is σ = 99896832. Its totient is φ = 8999424.

The previous prime is 32397773. The next prime is 32397851. The reversal of 32397792 is 29779323.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24213 + ... + 25515.

It is an arithmetic number, because the mean of its divisors is an integer number (1040592).

Almost surely, 2^32397792 is an apocalyptic number.

32397792 is a gapful number since it is divisible by the number (32) 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 32397792, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (49948416).

32397792 is an abundant number, since it is smaller than the sum of its proper divisors (67499040).

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

32397792 is a wasteful number, since it uses less digits than its factorization.

32397792 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1360 (or 1352 counting only the distinct ones).

The product of its digits is 142884, while the sum is 42.

The square root of 32397792 is about 5691.9058319688. The cubic root of 32397792 is about 318.7903287689.

The spelling of 32397792 in words is "thirty-two million, three hundred ninety-seven thousand, seven hundred ninety-two".