83432091 has 4 divisors (see below), whose sum is σ = 111242792. Its totient is φ = 55621392.

The previous prime is 83432087. The next prime is 83432147. The reversal of 83432091 is 19023438.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 83432091 - 2² = 83432087 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (83432051) 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, 13905346 + ... + 13905351.

It is an arithmetic number, because the mean of its divisors is an integer number (27810698).

Almost surely, 2^83432091 is an apocalyptic number.

83432091 is a deficient number, since it is larger than the sum of its proper divisors (27810701).

83432091 is a wasteful number, since it uses less digits than its factorization.

83432091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27810700.

The product of its (nonzero) digits is 5184, while the sum is 30.

The square root of 83432091 is about 9134.1168702836. The cubic root of 83432091 is about 436.9627097889.

The spelling of 83432091 in words is "eighty-three million, four hundred thirty-two thousand, ninety-one".