28615694 has 8 divisors (see below), whose sum is σ = 42952080. Its totient is φ = 14298336.

The previous prime is 28615693. The next prime is 28615723. The reversal of 28615694 is 49651682.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28615693) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 74 + ... + 7565.

It is an arithmetic number, because the mean of its divisors is an integer number (5369010).

Almost surely, 2^28615694 is an apocalyptic number.

28615694 is a deficient number, since it is larger than the sum of its proper divisors (14336386).

28615694 is a wasteful number, since it uses less digits than its factorization.

28615694 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9514.

The product of its digits is 103680, while the sum is 41.

The square root of 28615694 is about 5349.3638874169. The cubic root of 28615694 is about 305.8685054513.

The spelling of 28615694 in words is "twenty-eight million, six hundred fifteen thousand, six hundred ninety-four".