4155894 has 16 divisors (see below), whose sum is σ = 9235440. Its totient is φ = 1385280.

The previous prime is 4155887. The next prime is 4155911. The reversal of 4155894 is 4985514.

It is a congruent number.

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, 38427 + ... + 38534.

It is an arithmetic number, because the mean of its divisors is an integer number (577215).

Almost surely, 2^4155894 is an apocalyptic number.

4155894 is an abundant number, since it is smaller than the sum of its proper divisors (5079546).

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

4155894 is a wasteful number, since it uses less digits than its factorization.

4155894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76972 (or 76966 counting only the distinct ones).

The product of its digits is 28800, while the sum is 36.

The square root of 4155894 is about 2038.6009908759. The cubic root of 4155894 is about 160.7760991431.

The spelling of 4155894 in words is "four million, one hundred fifty-five thousand, eight hundred ninety-four".