84153794 has 4 divisors (see below), whose sum is σ = 126230694. Its totient is φ = 42076896.

The previous prime is 84153787. The next prime is 84153821. The reversal of 84153794 is 49735148.

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., 72505225 + 11648569 = 8515^2 + 3413^2 .

It is a super-2 number, since 2×84153794² = 14163722089188872, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21038447 + ... + 21038450.

Almost surely, 2^84153794 is an apocalyptic number.

84153794 is a deficient number, since it is larger than the sum of its proper divisors (42076900).

84153794 is a wasteful number, since it uses less digits than its factorization.

84153794 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42076899.

The product of its digits is 120960, while the sum is 41.

The square root of 84153794 is about 9173.5377036343. The cubic root of 84153794 is about 438.2190303081.

The spelling of 84153794 in words is "eighty-four million, one hundred fifty-three thousand, seven hundred ninety-four".