28370901 has 8 divisors (see below), whose sum is σ = 40737760. Its totient is φ = 17458992.

The previous prime is 28370887. The next prime is 28370929. The reversal of 28370901 is 10907382.

It is a happy number.

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

It is not a de Polignac number, because 28370901 - 2⁵ = 28370869 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28370981) 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, 363691 + ... + 363768.

It is an arithmetic number, because the mean of its divisors is an integer number (5092220).

Almost surely, 2^28370901 is an apocalyptic number.

It is an amenable number.

28370901 is a deficient number, since it is larger than the sum of its proper divisors (12366859).

28370901 is a wasteful number, since it uses less digits than its factorization.

28370901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 727475.

The product of its (nonzero) digits is 3024, while the sum is 30.

The square root of 28370901 is about 5326.4341730655. The cubic root of 28370901 is about 304.9938223240.

The spelling of 28370901 in words is "twenty-eight million, three hundred seventy thousand, nine hundred one".