28237342 has 16 divisors (see below), whose sum is σ = 49969152. Its totient is φ = 11711160.

The previous prime is 28237337. The next prime is 28237381. The reversal of 28237342 is 24373282.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32098 + ... + 32965.

It is an arithmetic number, because the mean of its divisors is an integer number (3123072).

Almost surely, 2^28237342 is an apocalyptic number.

28237342 is a deficient number, since it is larger than the sum of its proper divisors (21731810).

28237342 is a wasteful number, since it uses less digits than its factorization.

28237342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65103.

The product of its digits is 16128, while the sum is 31.

The square root of 28237342 is about 5313.8820084755. The cubic root of 28237342 is about 304.5144725079.

The spelling of 28237342 in words is "twenty-eight million, two hundred thirty-seven thousand, three hundred forty-two".