4454406 has 32 divisors (see below), whose sum is σ = 10800000. Its totient is φ = 1349640.

The previous prime is 4454399. The next prime is 4454407. The reversal of 4454406 is 6044544.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 4454406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4454407) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3156 + ... + 4343.

It is an arithmetic number, because the mean of its divisors is an integer number (337500).

Almost surely, 2^4454406 is an apocalyptic number.

4454406 is an abundant number, since it is smaller than the sum of its proper divisors (6345594).

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

4454406 is a wasteful number, since it uses less digits than its factorization.

4454406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7521 (or 7515 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 27.

The square root of 4454406 is about 2110.5463747570. The cubic root of 4454406 is about 164.5368831725.

It can be divided in two parts, 445 and 4406, that added together give a triangular number (4851 = T₉₈).

The spelling of 4454406 in words is "four million, four hundred fifty-four thousand, four hundred six".