3654816 has 48 divisors (see below), whose sum is σ = 10469088. Its totient is φ = 1107200.

The previous prime is 3654809. The next prime is 3654829. The reversal of 3654816 is 6184563.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (33).

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, 675 + ... + 2786.

It is an arithmetic number, because the mean of its divisors is an integer number (218106).

Almost surely, 2^3654816 is an apocalyptic number.

It is an amenable number.

3654816 is an abundant number, since it is smaller than the sum of its proper divisors (6814272).

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

3654816 is a wasteful number, since it uses less digits than its factorization.

3654816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3485 (or 3477 counting only the distinct ones).

The product of its digits is 17280, while the sum is 33.

The square root of 3654816 is about 1911.7573067730. The cubic root of 3654816 is about 154.0358605419.

The spelling of 3654816 in words is "three million, six hundred fifty-four thousand, eight hundred sixteen".