28603406 has 8 divisors (see below), whose sum is σ = 46205544. Its totient is φ = 13201560.

The previous prime is 28603397. The next prime is 28603429. The reversal of 28603406 is 60430682.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 550040 + ... + 550091.

It is an arithmetic number, because the mean of its divisors is an integer number (5775693).

Almost surely, 2^28603406 is an apocalyptic number.

28603406 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

28603406 is a deficient number, since it is larger than the sum of its proper divisors (17602138).

28603406 is a wasteful number, since it uses less digits than its factorization.

28603406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1100146.

The product of its (nonzero) digits is 6912, while the sum is 29.

The square root of 28603406 is about 5348.2152163128. The cubic root of 28603406 is about 305.8247177042.

The spelling of 28603406 in words is "twenty-eight million, six hundred three thousand, four hundred six".