3652990 has 24 divisors (see below), whose sum is σ = 7229880. Its totient is φ = 1327920.

The previous prime is 3652969. The next prime is 3652991. The reversal of 3652990 is 992563.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3652991) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 300 + ... + 2719.

It is an arithmetic number, because the mean of its divisors is an integer number (301245).

Almost surely, 2^3652990 is an apocalyptic number.

3652990 is a deficient number, since it is larger than the sum of its proper divisors (3576890).

3652990 is a wasteful number, since it uses less digits than its factorization.

3652990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3048 (or 3037 counting only the distinct ones).

The product of its (nonzero) digits is 14580, while the sum is 34.

The square root of 3652990 is about 1911.2796760286. The cubic root of 3652990 is about 154.0102034056.

The spelling of 3652990 in words is "three million, six hundred fifty-two thousand, nine hundred ninety".