3723931 has 2 divisors, whose sum is σ = 3723932. Its totient is φ = 3723930.

The previous prime is 3723913. The next prime is 3723947. The reversal of 3723931 is 1393273.

Together with previous prime (3723913) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3723931 - 2¹³ = 3715739 is a prime.

It is a super-2 number, since 2×3723931² = 27735324185522, which contains 22 as substring.

3723931 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 3723931.

It is not a weakly prime, because it can be changed into another prime (3721931) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1861965 + 1861966.

It is an arithmetic number, because the mean of its divisors is an integer number (1861966).

Almost surely, 2^3723931 is an apocalyptic number.

3723931 is a deficient number, since it is larger than the sum of its proper divisors (1).

3723931 is an equidigital number, since it uses as much as digits as its factorization.

3723931 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3402, while the sum is 28.

The square root of 3723931 is about 1929.7489474022. The cubic root of 3723931 is about 155.0007769645. Note that the first 3 decimals are identical.

The spelling of 3723931 in words is "three million, seven hundred twenty-three thousand, nine hundred thirty-one".