1901164 has 12 divisors (see below), whose sum is σ = 3337488. Its totient is φ = 947600.

The previous prime is 1901147. The next prime is 1901177. The reversal of 1901164 is 4611091.

It is a super-2 number, since 2×1901164² = 7228849109792, which contains 22 as substring.

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, 1329 + ... + 2359.

It is an arithmetic number, because the mean of its divisors is an integer number (278124).

2^1901164 is an apocalyptic number.

It is an amenable number.

1901164 is a deficient number, since it is larger than the sum of its proper divisors (1436324).

1901164 is a wasteful number, since it uses less digits than its factorization.

1901164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1496 (or 1494 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 22.

The square root of 1901164 is about 1378.8270377390. The cubic root of 1901164 is about 123.8815205463.

The spelling of 1901164 in words is "one million, nine hundred one thousand, one hundred sixty-four".