28356342 has 16 divisors (see below), whose sum is σ = 64814592. Its totient is φ = 8101800.

The previous prime is 28356337. The next prime is 28356347. The reversal of 28356342 is 24365382.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (28356337) and next prime (28356347).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28356347) 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, 337534 + ... + 337617.

It is an arithmetic number, because the mean of its divisors is an integer number (4050912).

Almost surely, 2^28356342 is an apocalyptic number.

28356342 is an abundant number, since it is smaller than the sum of its proper divisors (36458250).

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

28356342 is a wasteful number, since it uses less digits than its factorization.

28356342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 675163.

The product of its digits is 34560, while the sum is 33.

The square root of 28356342 is about 5325.0673235181. The cubic root of 28356342 is about 304.9416425121.

The spelling of 28356342 in words is "twenty-eight million, three hundred fifty-six thousand, three hundred forty-two".