3731898 has 8 divisors (see below), whose sum is σ = 7463808. Its totient is φ = 1243964.

The previous prime is 3731887. The next prime is 3731909. The reversal of 3731898 is 8981373.

It is an interprime number because it is at equal distance from previous prime (3731887) and next prime (3731909).

It is a sphenic number, since it is the product of 3 distinct primes.

3731898 is an admirable 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 3 ways as a sum of consecutive naturals, for example, 310986 + ... + 310997.

It is an arithmetic number, because the mean of its divisors is an integer number (932976).

Almost surely, 2^3731898 is an apocalyptic number.

3731898 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

3731898 is a wasteful number, since it uses less digits than its factorization.

3731898 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 621988.

The product of its digits is 36288, while the sum is 39.

The square root of 3731898 is about 1931.8121026642. The cubic root of 3731898 is about 155.1112347568. Note that the first 3 decimals are identical.

The spelling of 3731898 in words is "three million, seven hundred thirty-one thousand, eight hundred ninety-eight".