4155772 has 12 divisors (see below), whose sum is σ = 7375536. Its totient is φ = 2048480.

The previous prime is 4155763. The next prime is 4155779. The reversal of 4155772 is 2775514.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4155779) 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, 7033 + ... + 7600.

It is an arithmetic number, because the mean of its divisors is an integer number (614628).

Almost surely, 2^4155772 is an apocalyptic number.

It is an amenable number.

4155772 is a deficient number, since it is larger than the sum of its proper divisors (3219764).

4155772 is a wasteful number, since it uses less digits than its factorization.

4155772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14708 (or 14706 counting only the distinct ones).

The product of its digits is 9800, while the sum is 31.

The square root of 4155772 is about 2038.5710681750. The cubic root of 4155772 is about 160.7745258855.

The spelling of 4155772 in words is "four million, one hundred fifty-five thousand, seven hundred seventy-two".