28761606 has 24 divisors (see below), whose sum is σ = 62640864. Its totient is φ = 9537360.

The previous prime is 28761599. The next prime is 28761631. The reversal of 28761606 is 60616782.

It is a happy number.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

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, 510 + ... + 7601.

It is an arithmetic number, because the mean of its divisors is an integer number (2610036).

Almost surely, 2^28761606 is an apocalyptic number.

28761606 is an abundant number, since it is smaller than the sum of its proper divisors (33879258).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28761606 is a wasteful number, since it uses less digits than its factorization.

28761606 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8316 (or 8313 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 28761606 is about 5362.9848032602. The cubic root of 28761606 is about 306.3875008820.

The spelling of 28761606 in words is "twenty-eight million, seven hundred sixty-one thousand, six hundred six".