28829901 has 8 divisors (see below), whose sum is σ = 38466304. Its totient is φ = 19206720.

The previous prime is 28829891. The next prime is 28829903. The reversal of 28829901 is 10992882.

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

It is not a de Polignac number, because 28829901 - 2⁶ = 28829837 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 28829901.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28829903) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4260 + ... + 8706.

It is an arithmetic number, because the mean of its divisors is an integer number (4808288).

Almost surely, 2^28829901 is an apocalyptic number.

It is an amenable number.

28829901 is a deficient number, since it is larger than the sum of its proper divisors (9636403).

28829901 is a wasteful number, since it uses less digits than its factorization.

28829901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6611.

The product of its (nonzero) digits is 20736, while the sum is 39.

The square root of 28829901 is about 5369.3482844755. The cubic root of 28829901 is about 306.6298169070.

The spelling of 28829901 in words is "twenty-eight million, eight hundred twenty-nine thousand, nine hundred one".