28374003 has 32 divisors (see below), whose sum is σ = 50872320. Its totient is φ = 15258240.

The previous prime is 28373993. The next prime is 28374043. The reversal of 28374003 is 30047382.

It is not a de Polignac number, because 28374003 - 2⁹ = 28373491 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (28374043) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1203 + ... + 7628.

It is an arithmetic number, because the mean of its divisors is an integer number (1589760).

Almost surely, 2^28374003 is an apocalyptic number.

28374003 is a deficient number, since it is larger than the sum of its proper divisors (22498317).

28374003 is a wasteful number, since it uses less digits than its factorization.

28374003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8864 (or 8858 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 27.

The square root of 28374003 is about 5326.7253542866. The cubic root of 28374003 is about 305.0049376608.

The spelling of 28374003 in words is "twenty-eight million, three hundred seventy-four thousand, three".