3640146 has 16 divisors (see below), whose sum is σ = 7418304. Its totient is φ = 1190384.

The previous prime is 3640121. The next prime is 3640151. The reversal of 3640146 is 6410463.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5406 + ... + 6041.

It is an arithmetic number, because the mean of its divisors is an integer number (463644).

Almost surely, 2^3640146 is an apocalyptic number.

3640146 is an abundant number, since it is smaller than the sum of its proper divisors (3778158).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3640146 is a wasteful number, since it uses less digits than its factorization.

3640146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11505.

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 3640146 is about 1907.9166648468. The cubic root of 3640146 is about 153.8294902593.

The spelling of 3640146 in words is "three million, six hundred forty thousand, one hundred forty-six".