391372 has 6 divisors (see below), whose sum is σ = 684908. Its totient is φ = 195684.

The previous prime is 391367. The next prime is 391373. The reversal of 391372 is 273193.

It is not an unprimeable number, because it can be changed into a prime (391373) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48918 + ... + 48925.

2³⁹¹³⁷² is an apocalyptic number.

It is an amenable number.

391372 is a deficient number, since it is larger than the sum of its proper divisors (293536).

391372 is a wasteful number, since it uses less digits than its factorization.

391372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97847 (or 97845 counting only the distinct ones).

The product of its digits is 1134, while the sum is 25.

The square root of 391372 is about 625.5973145722. The cubic root of 391372 is about 73.1470109306.

The spelling of 391372 in words is "three hundred ninety-one thousand, three hundred seventy-two".