84454407 has 24 divisors (see below), whose sum is σ = 126986496. Its totient is φ = 56090232.

The previous prime is 84454393. The next prime is 84454417. The reversal of 84454407 is 70445448.

It is not a de Polignac number, because 84454407 - 2²⁰ = 83405831 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84454417) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 88708 + ... + 89654.

It is an arithmetic number, because the mean of its divisors is an integer number (5291104).

Almost surely, 2^84454407 is an apocalyptic number.

84454407 is a deficient number, since it is larger than the sum of its proper divisors (42532089).

84454407 is an equidigital number, since it uses as much as digits as its factorization.

84454407 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1329 (or 1317 counting only the distinct ones).

The product of its (nonzero) digits is 71680, while the sum is 36.

The square root of 84454407 is about 9189.9078885482. The cubic root of 84454407 is about 438.7402101695.

The spelling of 84454407 in words is "eighty-four million, four hundred fifty-four thousand, four hundred seven".