3619971 has 12 divisors (see below), whose sum is σ = 5422872. Its totient is φ = 2413152.

The previous prime is 3619961. The next prime is 3619981. The reversal of 3619971 is 1799163.

It is an interprime number because it is at equal distance from previous prime (3619961) and next prime (3619981).

It is not a de Polignac number, because 3619971 - 2⁶ = 3619907 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3619921) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7206 + ... + 7691.

It is an arithmetic number, because the mean of its divisors is an integer number (451906).

Almost surely, 2^3619971 is an apocalyptic number.

3619971 is a deficient number, since it is larger than the sum of its proper divisors (1802901).

3619971 is an equidigital number, since it uses as much as digits as its factorization.

3619971 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14912 (or 14900 counting only the distinct ones).

The product of its digits is 10206, while the sum is 36.

The square root of 3619971 is about 1902.6221379980. The cubic root of 3619971 is about 153.5447707933.

The spelling of 3619971 in words is "three million, six hundred nineteen thousand, nine hundred seventy-one".