4155644 has 12 divisors (see below), whose sum is σ = 7360584. Its totient is φ = 2052624.

The previous prime is 4155631. The next prime is 4155647. The reversal of 4155644 is 4465514.

It is a hoax number, since the sum of its digits (29) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4155647) 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, 5927 + ... + 6590.

It is an arithmetic number, because the mean of its divisors is an integer number (613382).

Almost surely, 2^4155644 is an apocalyptic number.

It is an amenable number.

4155644 is a deficient number, since it is larger than the sum of its proper divisors (3204940).

4155644 is a wasteful number, since it uses less digits than its factorization.

4155644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12604 (or 12602 counting only the distinct ones).

The product of its digits is 9600, while the sum is 29.

The square root of 4155644 is about 2038.5396733937. The cubic root of 4155644 is about 160.7728752214.

The spelling of 4155644 in words is "four million, one hundred fifty-five thousand, six hundred forty-four".