3640996 has 24 divisors (see below), whose sum is σ = 6604416. Its totient is φ = 1755360.

The previous prime is 3640993. The next prime is 3640999. The reversal of 3640996 is 6990463.

3640996 = 255² + 256² + ... + 301².

It is an interprime number because it is at equal distance from previous prime (3640993) and next prime (3640999).

It is not an unprimeable number, because it can be changed into a prime (3640991) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20026 + ... + 20206.

It is an arithmetic number, because the mean of its divisors is an integer number (275184).

Almost surely, 2^3640996 is an apocalyptic number.

It is an amenable number.

3640996 is a deficient number, since it is larger than the sum of its proper divisors (2963420).

3640996 is a wasteful number, since it uses less digits than its factorization.

3640996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 339 (or 337 counting only the distinct ones).

The product of its (nonzero) digits is 34992, while the sum is 37.

The square root of 3640996 is about 1908.1394079050. The cubic root of 3640996 is about 153.8414627544.

The spelling of 3640996 in words is "three million, six hundred forty thousand, nine hundred ninety-six".