3656654 has 8 divisors (see below), whose sum is σ = 5546880. Its totient is φ = 1807696.

The previous prime is 3656651. The next prime is 3656657. The reversal of 3656654 is 4566563.

It is an interprime number because it is at equal distance from previous prime (3656651) and next prime (3656657).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×3656654² = 26742236951432, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3656651) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10094 + ... + 10449.

It is an arithmetic number, because the mean of its divisors is an integer number (693360).

Almost surely, 2^3656654 is an apocalyptic number.

3656654 is a deficient number, since it is larger than the sum of its proper divisors (1890226).

3656654 is a wasteful number, since it uses less digits than its factorization.

3656654 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20634.

The product of its digits is 64800, while the sum is 35.

The square root of 3656654 is about 1912.2379559040. The cubic root of 3656654 is about 154.0616776614.

Subtracting 3656654 from its reverse (4566563), we obtain a palindrome (909909).

The spelling of 3656654 in words is "three million, six hundred fifty-six thousand, six hundred fifty-four".