28706694 has 24 divisors (see below), whose sum is σ = 59471880. Its totient is φ = 9237312.

The previous prime is 28706681. The next prime is 28706729. The reversal of 28706694 is 49660782.

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, 2202 + ... + 7890.

It is an arithmetic number, because the mean of its divisors is an integer number (2477995).

Almost surely, 2^28706694 is an apocalyptic number.

28706694 is an abundant number, since it is smaller than the sum of its proper divisors (30765186).

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

28706694 is a wasteful number, since it uses less digits than its factorization.

28706694 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5752 (or 5723 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 42.

The square root of 28706694 is about 5357.8628201924. The cubic root of 28706694 is about 306.1923904408.

The spelling of 28706694 in words is "twenty-eight million, seven hundred six thousand, six hundred ninety-four".