3729644 has 12 divisors (see below), whose sum is σ = 6564600. Its totient is φ = 1854048.

The previous prime is 3729629. The next prime is 3729659. The reversal of 3729644 is 4469273.

It is an interprime number because it is at equal distance from previous prime (3729629) and next prime (3729659).

It is a hoax number, since the sum of its digits (35) 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 in 3 ways as a sum of consecutive naturals, for example, 1889 + ... + 3320.

It is an arithmetic number, because the mean of its divisors is an integer number (547050).

Almost surely, 2^3729644 is an apocalyptic number.

It is an amenable number.

3729644 is a deficient number, since it is larger than the sum of its proper divisors (2834956).

3729644 is a wasteful number, since it uses less digits than its factorization.

3729644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5392 (or 5390 counting only the distinct ones).

The product of its digits is 36288, while the sum is 35.

The square root of 3729644 is about 1931.2286244772. The cubic root of 3729644 is about 155.0800003255.

The spelling of 3729644 in words is "three million, seven hundred twenty-nine thousand, six hundred forty-four".