2157374 has 8 divisors (see below), whose sum is σ = 3406440. Its totient is φ = 1021896.

The previous prime is 2157361. The next prime is 2157391. The reversal of 2157374 is 4737512.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28349 + ... + 28424.

It is an arithmetic number, because the mean of its divisors is an integer number (425805).

2^2157374 is an apocalyptic number.

2157374 is a deficient number, since it is larger than the sum of its proper divisors (1249066).

2157374 is a wasteful number, since it uses less digits than its factorization.

2157374 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56794.

The product of its digits is 5880, while the sum is 29.

The square root of 2157374 is about 1468.8001906318. The cubic root of 2157374 is about 129.2136754783.

The spelling of 2157374 in words is "two million, one hundred fifty-seven thousand, three hundred seventy-four".