3721384 has 8 divisors (see below), whose sum is σ = 6977610. Its totient is φ = 1860688.

The previous prime is 3721379. The next prime is 3721391. The reversal of 3721384 is 4831273.

It can be written as a sum of positive squares in only one way, i.e., 1898884 + 1822500 = 1378^2 + 1350^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 232579 + ... + 232594.

Almost surely, 2^3721384 is an apocalyptic number.

It is an amenable number.

3721384 is a deficient number, since it is larger than the sum of its proper divisors (3256226).

3721384 is a wasteful number, since it uses less digits than its factorization.

3721384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 465179 (or 465175 counting only the distinct ones).

The product of its digits is 4032, while the sum is 28.

The square root of 3721384 is about 1929.0889041203. The cubic root of 3721384 is about 154.9654310699.

The spelling of 3721384 in words is "three million, seven hundred twenty-one thousand, three hundred eighty-four".