3723998 has 16 divisors (see below), whose sum is σ = 5762880. Its totient is φ = 1803936.

The previous prime is 3723959. The next prime is 3724001. The reversal of 3723998 is 8993273.

It is a super-2 number, since 2×3723998² = 27736322208008, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16148 + ... + 16376.

It is an arithmetic number, because the mean of its divisors is an integer number (360180).

Almost surely, 2^3723998 is an apocalyptic number.

3723998 is a deficient number, since it is larger than the sum of its proper divisors (2038882).

3723998 is a wasteful number, since it uses less digits than its factorization.

3723998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 451.

The product of its digits is 81648, while the sum is 41.

The square root of 3723998 is about 1929.7663070952. The cubic root of 3723998 is about 155.0017065369.

The spelling of 3723998 in words is "three million, seven hundred twenty-three thousand, nine hundred ninety-eight".