3640846 has 16 divisors (see below), whose sum is σ = 6057648. Its totient is φ = 1627200.

The previous prime is 3640843. The next prime is 3640849. The reversal of 3640846 is 6480463.

It is an interprime number because it is at equal distance from previous prime (3640843) and next prime (3640849).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3640843) 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, 15 + ... + 2698.

It is an arithmetic number, because the mean of its divisors is an integer number (378603).

Almost surely, 2^3640846 is an apocalyptic number.

3640846 is a deficient number, since it is larger than the sum of its proper divisors (2416802).

3640846 is a wasteful number, since it uses less digits than its factorization.

3640846 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2787.

The product of its (nonzero) digits is 13824, while the sum is 31.

The square root of 3640846 is about 1908.1001021959. The cubic root of 3640846 is about 153.8393500965.

The spelling of 3640846 in words is "three million, six hundred forty thousand, eight hundred forty-six".