4155924 has 24 divisors (see below), whose sum is σ = 9934848. Its totient is φ = 1351360.

The previous prime is 4155923. The next prime is 4155929. The reversal of 4155924 is 4295514.

It is a junction number, because it is equal to n+sod(n) for n = 4155891 and 4155900.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4155923) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3732 + ... + 4715.

It is an arithmetic number, because the mean of its divisors is an integer number (413952).

Almost surely, 2^4155924 is an apocalyptic number.

It is an amenable number.

4155924 is an abundant number, since it is smaller than the sum of its proper divisors (5778924).

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

4155924 is a wasteful number, since it uses less digits than its factorization.

4155924 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8495 (or 8493 counting only the distinct ones).

The product of its digits is 7200, while the sum is 30.

The square root of 4155924 is about 2038.6083488498. The cubic root of 4155924 is about 160.7764860050.

The spelling of 4155924 in words is "four million, one hundred fifty-five thousand, nine hundred twenty-four".