83949272 has 16 divisors (see below), whose sum is σ = 171714600. Its totient is φ = 38158720.

The previous prime is 83949259. The next prime is 83949301. The reversal of 83949272 is 27294938.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 476897 + ... + 477072.

Almost surely, 2^83949272 is an apocalyptic number.

83949272 is the 4898-th centered heptagonal number.

It is an amenable number.

83949272 is an abundant number, since it is smaller than the sum of its proper divisors (87765328).

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

83949272 is a wasteful number, since it uses less digits than its factorization.

83949272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 953986 (or 953982 counting only the distinct ones).

The product of its digits is 217728, while the sum is 44.

The square root of 83949272 is about 9162.3835326841. The cubic root of 83949272 is about 437.8637358206.

The spelling of 83949272 in words is "eighty-three million, nine hundred forty-nine thousand, two hundred seventy-two".