84154494 has 16 divisors (see below), whose sum is σ = 168790032. Its totient is φ = 27971328.

The previous prime is 84154489. The next prime is 84154501. The reversal of 84154494 is 49445148.

It is a Curzon number.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 17749 + ... + 21984.

It is an arithmetic number, because the mean of its divisors is an integer number (10549377).

Almost surely, 2^84154494 is an apocalyptic number.

84154494 is an abundant number, since it is smaller than the sum of its proper divisors (84635538).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

84154494 is a wasteful number, since it uses less digits than its factorization.

84154494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40091.

The product of its digits is 92160, while the sum is 39.

The square root of 84154494 is about 9173.5758567747. The cubic root of 84154494 is about 438.2202453552.

It can be divided in two parts, 84154 and 494, that added together give a palindrome (84648).

The spelling of 84154494 in words is "eighty-four million, one hundred fifty-four thousand, four hundred ninety-four".