83970434 has 8 divisors (see below), whose sum is σ = 126421248. Its totient is φ = 41830020.

The previous prime is 83970421. The next prime is 83970449. The reversal of 83970434 is 43407938.

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

It is a super-2 number, since 2×83970434² = 14102067572296712, which contains 22 as substring.

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, 76922 + ... + 78005.

It is an arithmetic number, because the mean of its divisors is an integer number (15802656).

Almost surely, 2^83970434 is an apocalyptic number.

83970434 is a deficient number, since it is larger than the sum of its proper divisors (42450814).

83970434 is a wasteful number, since it uses less digits than its factorization.

83970434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155200.

The product of its (nonzero) digits is 72576, while the sum is 38.

The square root of 83970434 is about 9163.5382904204. The cubic root of 83970434 is about 437.9005250770.

The spelling of 83970434 in words is "eighty-three million, nine hundred seventy thousand, four hundred thirty-four".