391374 has 24 divisors (see below), whose sum is σ = 898560. Its totient is φ = 122688.

The previous prime is 391373. The next prime is 391379. The reversal of 391374 is 473193.

It is a congruent number.

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

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 334 + ... + 945.

It is an arithmetic number, because the mean of its divisors is an integer number (37440).

2³⁹¹³⁷⁴ is an apocalyptic number.

391374 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

391374 is an abundant number, since it is smaller than the sum of its proper divisors (507186).

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

391374 is a wasteful number, since it uses less digits than its factorization.

391374 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1304 (or 1301 counting only the distinct ones).

The product of its digits is 2268, while the sum is 27.

The square root of 391374 is about 625.5989130425. The cubic root of 391374 is about 73.1471355297.

The spelling of 391374 in words is "three hundred ninety-one thousand, three hundred seventy-four".