83849967 has 12 divisors (see below), whose sum is σ = 128241360. Its totient is φ = 52611648.

The previous prime is 83849963. The next prime is 83849977. The reversal of 83849967 is 76994838.

It is not a de Polignac number, because 83849967 - 2² = 83849963 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83849963) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 273867 + ... + 274172.

It is an arithmetic number, because the mean of its divisors is an integer number (10686780).

Almost surely, 2^83849967 is an apocalyptic number.

83849967 is a deficient number, since it is larger than the sum of its proper divisors (44391393).

83849967 is a wasteful number, since it uses less digits than its factorization.

83849967 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 548062 (or 548059 counting only the distinct ones).

The product of its digits is 2612736, while the sum is 54.

The square root of 83849967 is about 9156.9627606538. The cubic root of 83849967 is about 437.6910155823.

It can be divided in two parts, 838 and 49967, that added together give a palindrome (50805).

The spelling of 83849967 in words is "eighty-three million, eight hundred forty-nine thousand, nine hundred sixty-seven".