84979474 has 8 divisors (see below), whose sum is σ = 129264768. Its totient is φ = 41891220.

The previous prime is 84979451. The next prime is 84979487. The reversal of 84979474 is 47497948.

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

It is a super-2 number, since 2×84979474² = 14443022002633352, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 299082 + ... + 299365.

It is an arithmetic number, because the mean of its divisors is an integer number (16158096).

Almost surely, 2^84979474 is an apocalyptic number.

84979474 is a deficient number, since it is larger than the sum of its proper divisors (44285294).

84979474 is a wasteful number, since it uses less digits than its factorization.

84979474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 598520.

The product of its digits is 2032128, while the sum is 52.

The square root of 84979474 is about 9218.4312114372. The cubic root of 84979474 is about 439.6475724741.

It can be divided in two parts, 8497 and 9474, that added together give a palindrome (17971).

The spelling of 84979474 in words is "eighty-four million, nine hundred seventy-nine thousand, four hundred seventy-four".