84406454 has 48 divisors (see below), whose sum is σ = 146397888. Its totient is φ = 36432000.

The previous prime is 84406409. The next prime is 84406457. The reversal of 84406454 is 45460448.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84406457) 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, 466244 + ... + 466424.

It is an arithmetic number, because the mean of its divisors is an integer number (3049956).

Almost surely, 2^84406454 is an apocalyptic number.

84406454 is a deficient number, since it is larger than the sum of its proper divisors (61991434).

84406454 is a wasteful number, since it uses less digits than its factorization.

84406454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 293 (or 282 counting only the distinct ones).

The product of its (nonzero) digits is 61440, while the sum is 35.

The square root of 84406454 is about 9187.2985147975. The cubic root of 84406454 is about 438.6571559187.

The spelling of 84406454 in words is "eighty-four million, four hundred six thousand, four hundred fifty-four".