3751998 has 16 divisors (see below), whose sum is σ = 7574160. Its totient is φ = 1238976.

The previous prime is 3751919. The next prime is 3752009. The reversal of 3751998 is 8991573.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2215 + ... + 3522.

It is an arithmetic number, because the mean of its divisors is an integer number (473385).

Almost surely, 2^3751998 is an apocalyptic number.

3751998 is an abundant number, since it is smaller than the sum of its proper divisors (3822162).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3751998 is a wasteful number, since it uses less digits than its factorization.

3751998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5851.

The product of its digits is 68040, while the sum is 42.

The square root of 3751998 is about 1937.0074857883. The cubic root of 3751998 is about 155.3892126234.

The spelling of 3751998 in words is "three million, seven hundred fifty-one thousand, nine hundred ninety-eight".