3137998 has 8 divisors (see below), whose sum is σ = 4753008. Its totient is φ = 1553664.

The previous prime is 3137993. The next prime is 3137999. The reversal of 3137998 is 8997313.

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

It is a self number, because there is not a number n which added to its sum of digits gives 3137998.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3137993) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7411 + ... + 7822.

It is an arithmetic number, because the mean of its divisors is an integer number (594126).

Almost surely, 2^3137998 is an apocalyptic number.

3137998 is a deficient number, since it is larger than the sum of its proper divisors (1615010).

3137998 is a wasteful number, since it uses less digits than its factorization.

3137998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15338.

The product of its digits is 40824, while the sum is 40.

The square root of 3137998 is about 1771.4395276159. The cubic root of 3137998 is about 146.4033072302.

The spelling of 3137998 in words is "three million, one hundred thirty-seven thousand, nine hundred ninety-eight".