83623428 has 60 divisors (see below), whose sum is σ = 249844672. Its totient is φ = 23891760.

The previous prime is 83623403. The next prime is 83623451. The reversal of 83623428 is 82432638.

83623428 is a `hidden beast` number, since 8 + 3 + 623 + 4 + 28 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 83623392 and 83623401.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 16168 + ... + 20703.

Almost surely, 2^83623428 is an apocalyptic number.

It is an amenable number.

83623428 is an abundant number, since it is smaller than the sum of its proper divisors (166221244).

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

83623428 is a wasteful number, since it uses less digits than its factorization.

83623428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36894 (or 36883 counting only the distinct ones).

The product of its digits is 55296, while the sum is 36.

The square root of 83623428 is about 9144.5846269801. The cubic root of 83623428 is about 437.2964874417.

The spelling of 83623428 in words is "eighty-three million, six hundred twenty-three thousand, four hundred twenty-eight".