83949424 has 20 divisors (see below), whose sum is σ = 175164136. Its totient is φ = 38745792.

The previous prime is 83949421. The next prime is 83949443. The reversal of 83949424 is 42494938.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83949421) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 201594 + ... + 202009.

Almost surely, 2^83949424 is an apocalyptic number.

It is an amenable number.

83949424 is an abundant number, since it is smaller than the sum of its proper divisors (91214712).

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

83949424 is a wasteful number, since it uses less digits than its factorization.

83949424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 403624 (or 403618 counting only the distinct ones).

The product of its digits is 248832, while the sum is 43.

The square root of 83949424 is about 9162.3918274651. The cubic root of 83949424 is about 437.8640000883.

The spelling of 83949424 in words is "eighty-three million, nine hundred forty-nine thousand, four hundred twenty-four".