83501940 has 48 divisors (see below), whose sum is σ = 234420480. Its totient is φ = 22208640.

The previous prime is 83501923. The next prime is 83501963. The reversal of 83501940 is 4910538.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 83501898 and 83501907.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24246 + ... + 27474.

It is an arithmetic number, because the mean of its divisors is an integer number (4883760).

Almost surely, 2^83501940 is an apocalyptic number.

It is an amenable number.

83501940 is an abundant number, since it is smaller than the sum of its proper divisors (150918540).

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

83501940 is a wasteful number, since it uses less digits than its factorization.

83501940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3672 (or 3670 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 30.

The square root of 83501940 is about 9137.9395927091. The cubic root of 83501940 is about 437.0846168970.

The spelling of 83501940 in words is "eighty-three million, five hundred one thousand, nine hundred forty".