3628931 has 2 divisors, whose sum is σ = 3628932. Its totient is φ = 3628930.

The previous prime is 3628927. The next prime is 3628949. The reversal of 3628931 is 1398263.

It is a weak prime.

It is an emirp because it is prime and its reverse (1398263) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3628931 - 2² = 3628927 is a prime.

It is a super-2 number, since 2×3628931² = 26338280405522, which contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (3628991) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1814465 + 1814466.

It is an arithmetic number, because the mean of its divisors is an integer number (1814466).

Almost surely, 2^3628931 is an apocalyptic number.

3628931 is a deficient number, since it is larger than the sum of its proper divisors (1).

3628931 is an equidigital number, since it uses as much as digits as its factorization.

3628931 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7776, while the sum is 32.

The square root of 3628931 is about 1904.9753279242. The cubic root of 3628931 is about 153.6713489371.

The spelling of 3628931 in words is "three million, six hundred twenty-eight thousand, nine hundred thirty-one".