3654518 has 24 divisors (see below), whose sum is σ = 6463800. Its totient is φ = 1544928.

The previous prime is 3654503. The next prime is 3654529. The reversal of 3654518 is 8154563.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8513 + ... + 8931.

It is an arithmetic number, because the mean of its divisors is an integer number (269325).

Almost surely, 2^3654518 is an apocalyptic number.

3654518 is a deficient number, since it is larger than the sum of its proper divisors (2809282).

3654518 is a wasteful number, since it uses less digits than its factorization.

3654518 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 524 (or 517 counting only the distinct ones).

The product of its digits is 14400, while the sum is 32.

The square root of 3654518 is about 1911.6793664211. The cubic root of 3654518 is about 154.0316739258.

It can be divided in two parts, 36545 and 18, that added together give a palindrome (36563).

The spelling of 3654518 in words is "three million, six hundred fifty-four thousand, five hundred eighteen".