28274962 has 4 divisors (see below), whose sum is σ = 42412446. Its totient is φ = 14137480.

The previous prime is 28274941. The next prime is 28274989. The reversal of 28274962 is 26947282.

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., 25110121 + 3164841 = 5011^2 + 1779^2 .

It is a super-2 number, since 2×28274962² = 1598946952202888, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7068739 + ... + 7068742.

Almost surely, 2^28274962 is an apocalyptic number.

28274962 is a deficient number, since it is larger than the sum of its proper divisors (14137484).

28274962 is a wasteful number, since it uses less digits than its factorization.

28274962 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14137483.

The product of its digits is 96768, while the sum is 40.

The square root of 28274962 is about 5317.4206152984. The cubic root of 28274962 is about 304.6496451783.

The spelling of 28274962 in words is "twenty-eight million, two hundred seventy-four thousand, nine hundred sixty-two".