28374946 has 8 divisors (see below), whose sum is σ = 42586524. Its totient is φ = 14179440.

The previous prime is 28374919. The next prime is 28374949. The reversal of 28374946 is 64947382.

It can be written as a sum of positive squares in 2 ways, for example, as 28355625 + 19321 = 5325^2 + 139^2 .

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

It is not an unprimeable number, because it can be changed into a prime (28374949) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2536 + ... + 7948.

Almost surely, 2^28374946 is an apocalyptic number.

28374946 is a deficient number, since it is larger than the sum of its proper divisors (14211578).

28374946 is a wasteful number, since it uses less digits than its factorization.

28374946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8036.

The product of its digits is 290304, while the sum is 43.

The square root of 28374946 is about 5326.8138694721. The cubic root of 28374946 is about 305.0083165340.

The spelling of 28374946 in words is "twenty-eight million, three hundred seventy-four thousand, nine hundred forty-six".