28629914 has 4 divisors (see below), whose sum is σ = 42944874. Its totient is φ = 14314956.

The previous prime is 28629877. The next prime is 28629947. The reversal of 28629914 is 41992682.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 28249225 + 380689 = 5315^2 + 617^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7157477 + ... + 7157480.

Almost surely, 2^28629914 is an apocalyptic number.

28629914 is a deficient number, since it is larger than the sum of its proper divisors (14314960).

28629914 is a wasteful number, since it uses less digits than its factorization.

28629914 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14314959.

The product of its digits is 62208, while the sum is 41.

The square root of 28629914 is about 5350.6928523323. The cubic root of 28629914 is about 305.9191621514.

The spelling of 28629914 in words is "twenty-eight million, six hundred twenty-nine thousand, nine hundred fourteen".