28490367 has 32 divisors (see below), whose sum is σ = 41771520. Its totient is φ = 17210880.

The previous prime is 28490347. The next prime is 28490369. The reversal of 28490367 is 76309482.

It is not a de Polignac number, because 28490367 - 2⁷ = 28490239 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28490369) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 170518 + ... + 170684.

It is an arithmetic number, because the mean of its divisors is an integer number (1305360).

Almost surely, 2^28490367 is an apocalyptic number.

28490367 is a deficient number, since it is larger than the sum of its proper divisors (13281153).

28490367 is a wasteful number, since it uses less digits than its factorization.

28490367 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 303.

The product of its (nonzero) digits is 72576, while the sum is 39.

The square root of 28490367 is about 5337.6368366535. The cubic root of 28490367 is about 305.4213186566.

The spelling of 28490367 in words is "twenty-eight million, four hundred ninety thousand, three hundred sixty-seven".