84009454 has 8 divisors (see below), whose sum is σ = 126849168. Its totient is φ = 41726400.

The previous prime is 84009437. The next prime is 84009479. The reversal of 84009454 is 45490048.

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

It is a super-2 number, since 2×84009454² = 14115176722756232, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 138787 + ... + 139390.

It is an arithmetic number, because the mean of its divisors is an integer number (15856146).

Almost surely, 2^84009454 is an apocalyptic number.

84009454 is a deficient number, since it is larger than the sum of its proper divisors (42839714).

84009454 is a wasteful number, since it uses less digits than its factorization.

84009454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 278330.

The product of its (nonzero) digits is 23040, while the sum is 34.

The square root of 84009454 is about 9165.6671333842. The cubic root of 84009454 is about 437.9683435208.

The spelling of 84009454 in words is "eighty-four million, nine thousand, four hundred fifty-four".