28004962 has 8 divisors (see below), whose sum is σ = 42031836. Its totient is φ = 13994352.

The previous prime is 28004959. The next prime is 28004971. The reversal of 28004962 is 26940082.

It can be written as a sum of positive squares in 2 ways, for example, as 27363361 + 641601 = 5231^2 + 801^2 .

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

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, 2128 + ... + 7780.

Almost surely, 2^28004962 is an apocalyptic number.

28004962 is a deficient number, since it is larger than the sum of its proper divisors (14026874).

28004962 is a wasteful number, since it uses less digits than its factorization.

28004962 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8132.

The product of its (nonzero) digits is 6912, while the sum is 31.

The square root of 28004962 is about 5291.9714662874. The cubic root of 28004962 is about 303.6768336929.

The spelling of 28004962 in words is "twenty-eight million, four thousand, nine hundred sixty-two".