28625342 has 4 divisors (see below), whose sum is σ = 42938016. Its totient is φ = 14312670.

The previous prime is 28625341. The next prime is 28625347. The reversal of 28625342 is 24352682.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 24352682 = 2 ⋅12176341.

It is a junction number, because it is equal to n+sod(n) for n = 28625299 and 28625308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28625341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7156334 + ... + 7156337.

It is an arithmetic number, because the mean of its divisors is an integer number (10734504).

Almost surely, 2^28625342 is an apocalyptic number.

28625342 is a deficient number, since it is larger than the sum of its proper divisors (14312674).

28625342 is a wasteful number, since it uses less digits than its factorization.

28625342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14312673.

The product of its digits is 23040, while the sum is 32.

The square root of 28625342 is about 5350.2656008838. The cubic root of 28625342 is about 305.9028768904.

The spelling of 28625342 in words is "twenty-eight million, six hundred twenty-five thousand, three hundred forty-two".