3722931 has 12 divisors (see below), whose sum is σ = 5411952. Its totient is φ = 2466096.

The previous prime is 3722921. The next prime is 3722947. The reversal of 3722931 is 1392273.

3722931 is a `hidden beast` number, since 372 + 293 + 1 = 666.

It is not a de Polignac number, because 3722931 - 2⁵ = 3722899 is a prime.

It is a super-2 number, since 2×3722931² = 27720430461522, which contains 22 as substring.

3722931 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 3722895 and 3722904.

It is not an unprimeable number, because it can be changed into a prime (3722911) 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 11 ways as a sum of consecutive naturals, for example, 265 + ... + 2741.

It is an arithmetic number, because the mean of its divisors is an integer number (450996).

Almost surely, 2^3722931 is an apocalyptic number.

3722931 is a deficient number, since it is larger than the sum of its proper divisors (1689021).

3722931 is a wasteful number, since it uses less digits than its factorization.

3722931 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2650 (or 2647 counting only the distinct ones).

The product of its digits is 2268, while the sum is 27.

The square root of 3722931 is about 1929.4898289444. The cubic root of 3722931 is about 154.9869014252.

The spelling of 3722931 in words is "three million, seven hundred twenty-two thousand, nine hundred thirty-one".