28246942 has 4 divisors (see below), whose sum is σ = 42370416. Its totient is φ = 14123470.

The previous prime is 28246937. The next prime is 28246951. The reversal of 28246942 is 24964282.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7061734 + ... + 7061737.

It is an arithmetic number, because the mean of its divisors is an integer number (10592604).

Almost surely, 2^28246942 is an apocalyptic number.

28246942 is a deficient number, since it is larger than the sum of its proper divisors (14123474).

28246942 is a wasteful number, since it uses less digits than its factorization.

28246942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14123473.

The product of its digits is 55296, while the sum is 37.

The square root of 28246942 is about 5314.7852261404. The cubic root of 28246942 is about 304.5489777352.

The spelling of 28246942 in words is "twenty-eight million, two hundred forty-six thousand, nine hundred forty-two".