83490974 has 8 divisors (see below), whose sum is σ = 143127408. Its totient is φ = 35781840.

The previous prime is 83490973. The next prime is 83490983. The reversal of 83490974 is 47909438.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83490973) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2981807 + ... + 2981834.

It is an arithmetic number, because the mean of its divisors is an integer number (17890926).

Almost surely, 2^83490974 is an apocalyptic number.

83490974 is a deficient number, since it is larger than the sum of its proper divisors (59636434).

83490974 is a wasteful number, since it uses less digits than its factorization.

83490974 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5963650.

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

The square root of 83490974 is about 9137.3395471549. The cubic root of 83490974 is about 437.0654824923.

The spelling of 83490974 in words is "eighty-three million, four hundred ninety thousand, nine hundred seventy-four".