28744376 has 8 divisors (see below), whose sum is σ = 53895720. Its totient is φ = 14372184.

The previous prime is 28744369. The next prime is 28744379. The reversal of 28744376 is 67344782.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28744379) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1796516 + ... + 1796531.

It is an arithmetic number, because the mean of its divisors is an integer number (6736965).

Almost surely, 2^28744376 is an apocalyptic number.

It is an amenable number.

28744376 is a deficient number, since it is larger than the sum of its proper divisors (25151344).

28744376 is a wasteful number, since it uses less digits than its factorization.

28744376 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3593053 (or 3593049 counting only the distinct ones).

The product of its digits is 225792, while the sum is 41.

The square root of 28744376 is about 5361.3781810277. The cubic root of 28744376 is about 306.3263069051.

The spelling of 28744376 in words is "twenty-eight million, seven hundred forty-four thousand, three hundred seventy-six".