3662645 has 16 divisors (see below), whose sum is σ = 5056128. Its totient is φ = 2495040.

The previous prime is 3662641. The next prime is 3662651. The reversal of 3662645 is 5462663.

It is not a de Polignac number, because 3662645 - 2² = 3662641 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3662641) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7715 + ... + 8175.

It is an arithmetic number, because the mean of its divisors is an integer number (316008).

Almost surely, 2^3662645 is an apocalyptic number.

3662645 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

3662645 is a deficient number, since it is larger than the sum of its proper divisors (1393483).

3662645 is a wasteful number, since it uses less digits than its factorization.

3662645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 700.

The product of its digits is 25920, while the sum is 32.

The square root of 3662645 is about 1913.8038039465. The cubic root of 3662645 is about 154.1457691015.

The spelling of 3662645 in words is "three million, six hundred sixty-two thousand, six hundred forty-five".