28002634 has 8 divisors (see below), whose sum is σ = 45822528. Its totient is φ = 12728460.

The previous prime is 28002629. The next prime is 28002659. The reversal of 28002634 is 43620082.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 28002599 and 28002608.

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, 636402 + ... + 636445.

It is an arithmetic number, because the mean of its divisors is an integer number (5727816).

Almost surely, 2^28002634 is an apocalyptic number.

28002634 is a deficient number, since it is larger than the sum of its proper divisors (17819894).

28002634 is a wasteful number, since it uses less digits than its factorization.

28002634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1272860.

The product of its (nonzero) digits is 2304, while the sum is 25.

The square root of 28002634 is about 5291.7515058816. The cubic root of 28002634 is about 303.6684187644.

The spelling of 28002634 in words is "twenty-eight million, two thousand, six hundred thirty-four".