83949761 has 8 divisors (see below), whose sum is σ = 97294464. Its totient is φ = 70943040.

The previous prime is 83949703. The next prime is 83949763. The reversal of 83949761 is 16794938.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 83949761 - 2²² = 79755457 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (83949763) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 83960 + ... + 84953.

It is an arithmetic number, because the mean of its divisors is an integer number (12161808).

Almost surely, 2^83949761 is an apocalyptic number.

It is an amenable number.

83949761 is a deficient number, since it is larger than the sum of its proper divisors (13344703).

83949761 is a wasteful number, since it uses less digits than its factorization.

83949761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168991.

The product of its digits is 326592, while the sum is 47.

The square root of 83949761 is about 9162.4102178412. The cubic root of 83949761 is about 437.8645859965.

The spelling of 83949761 in words is "eighty-three million, nine hundred forty-nine thousand, seven hundred sixty-one".