28002494 has 16 divisors (see below), whose sum is σ = 45338832. Its totient is φ = 12894528.

The previous prime is 28002479. The next prime is 28002509. The reversal of 28002494 is 49420082.

It is an interprime number because it is at equal distance from previous prime (28002479) and next prime (28002509).

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, 13682 + ... + 15594.

It is an arithmetic number, because the mean of its divisors is an integer number (2833677).

Almost surely, 2^28002494 is an apocalyptic number.

28002494 is a deficient number, since it is larger than the sum of its proper divisors (17336338).

28002494 is a wasteful number, since it uses less digits than its factorization.

28002494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2491.

The product of its (nonzero) digits is 4608, while the sum is 29.

The square root of 28002494 is about 5291.7382777307. The cubic root of 28002494 is about 303.6679126972.

The spelling of 28002494 in words is "twenty-eight million, two thousand, four hundred ninety-four".