28641494 has 24 divisors (see below), whose sum is σ = 49914480. Its totient is φ = 12073536.

The previous prime is 28641461. The next prime is 28641511. The reversal of 28641494 is 49414682.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 208994 + ... + 209130.

It is an arithmetic number, because the mean of its divisors is an integer number (2079770).

Almost surely, 2^28641494 is an apocalyptic number.

28641494 is a deficient number, since it is larger than the sum of its proper divisors (21272986).

28641494 is a wasteful number, since it uses less digits than its factorization.

28641494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 392 (or 255 counting only the distinct ones).

The product of its digits is 55296, while the sum is 38.

The square root of 28641494 is about 5351.7748457871. The cubic root of 28641494 is about 305.9604018420.

The spelling of 28641494 in words is "twenty-eight million, six hundred forty-one thousand, four hundred ninety-four".