84385274 has 4 divisors (see below), whose sum is σ = 126577914. Its totient is φ = 42192636.

The previous prime is 84385253. The next prime is 84385303. The reversal of 84385274 is 47258348.

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

It can be written as a sum of positive squares in only one way, i.e., 58629649 + 25755625 = 7657^2 + 5075^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21096317 + ... + 21096320.

Almost surely, 2^84385274 is an apocalyptic number.

84385274 is a deficient number, since it is larger than the sum of its proper divisors (42192640).

84385274 is a wasteful number, since it uses less digits than its factorization.

84385274 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42192639.

The product of its digits is 215040, while the sum is 41.

The square root of 84385274 is about 9186.1457641385. The cubic root of 84385274 is about 438.6204622958.

The spelling of 84385274 in words is "eighty-four million, three hundred eighty-five thousand, two hundred seventy-four".