3731331 has 8 divisors (see below), whose sum is σ = 4985680. Its totient is φ = 2482272.

The previous prime is 3731311. The next prime is 3731333. The reversal of 3731331 is 1331373.

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

It is a de Polignac number, because none of the positive numbers 2^k-3731331 is a prime.

It is a super-2 number, since 2×3731331² = 27845662063122, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3731298 and 3731307.

It is not an unprimeable number, because it can be changed into a prime (3731333) by changing a digit.

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, 825 + ... + 2853.

It is an arithmetic number, because the mean of its divisors is an integer number (623210).

Almost surely, 2^3731331 is an apocalyptic number.

3731331 is a deficient number, since it is larger than the sum of its proper divisors (1254349).

3731331 is a wasteful number, since it uses less digits than its factorization.

3731331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2645.

The product of its digits is 567, while the sum is 21.

The square root of 3731331 is about 1931.6653436866. The cubic root of 3731331 is about 155.1033788325.

The spelling of 3731331 in words is "three million, seven hundred thirty-one thousand, three hundred thirty-one".