83642430 has 16 divisors (see below), whose sum is σ = 200741904. Its totient is φ = 22304640.

The previous prime is 83642413. The next prime is 83642441. The reversal of 83642430 is 3424638.

It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 2788081 = 83642430 / (8 + 3 + 6 + 4 + 2 + 4 + 3 + 0).

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, 1394011 + ... + 1394070.

It is an arithmetic number, because the mean of its divisors is an integer number (12546369).

Almost surely, 2^83642430 is an apocalyptic number.

83642430 is an abundant number, since it is smaller than the sum of its proper divisors (117099474).

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

83642430 is a wasteful number, since it uses less digits than its factorization.

83642430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2788091.

The product of its (nonzero) digits is 13824, while the sum is 30.

The square root of 83642430 is about 9145.6235435316. The cubic root of 83642430 is about 437.3296076598.

The spelling of 83642430 in words is "eighty-three million, six hundred forty-two thousand, four hundred thirty".