28437342 has 16 divisors (see below), whose sum is σ = 58836240. Its totient is φ = 9152192.

The previous prime is 28437317. The next prime is 28437347. The reversal of 28437342 is 24373482.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28437347) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 81543 + ... + 81890.

It is an arithmetic number, because the mean of its divisors is an integer number (3677265).

Almost surely, 2^28437342 is an apocalyptic number.

28437342 is an abundant number, since it is smaller than the sum of its proper divisors (30398898).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28437342 is a wasteful number, since it uses less digits than its factorization.

28437342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163467.

The product of its digits is 32256, while the sum is 33.

The square root of 28437342 is about 5332.6674375963. The cubic root of 28437342 is about 305.2317221410.

The spelling of 28437342 in words is "twenty-eight million, four hundred thirty-seven thousand, three hundred forty-two".