3297631 has 4 divisors (see below), whose sum is σ = 3301264. Its totient is φ = 3294000.

The previous prime is 3297617. The next prime is 3297647. The reversal of 3297631 is 1367923.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 1367923 = 83 ⋅16481.

It is a cyclic number.

It is not a de Polignac number, because 3297631 - 2¹¹ = 3295583 is a prime.

It is a super-2 number, since 2×3297631² = 21748740424322, 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 = 3297593 and 3297602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3297601) 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, 886 + ... + 2716.

It is an arithmetic number, because the mean of its divisors is an integer number (825316).

Almost surely, 2^3297631 is an apocalyptic number.

3297631 is the 1149-th centered pentagonal number.

3297631 is a deficient number, since it is larger than the sum of its proper divisors (3633).

3297631 is a wasteful number, since it uses less digits than its factorization.

3297631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3632.

The product of its digits is 6804, while the sum is 31.

The square root of 3297631 is about 1815.9380496041. The cubic root of 3297631 is about 148.8449207027.

The spelling of 3297631 in words is "three million, two hundred ninety-seven thousand, six hundred thirty-one".