4458402 has 80 divisors (see below), whose sum is σ = 11282040. Its totient is φ = 1306368.

The previous prime is 4458379. The next prime is 4458409. The reversal of 4458402 is 2048544.

It can be written as a sum of positive squares in 4 ways, for example, as 3272481 + 1185921 = 1809^2 + 1089^2 .

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4458409) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 61038 + ... + 61110.

Almost surely, 2^4458402 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4458402, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5641020).

4458402 is an abundant number, since it is smaller than the sum of its proper divisors (6823638).

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

4458402 is a wasteful number, since it uses less digits than its factorization.

4458402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129 (or 120 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 27.

The square root of 4458402 is about 2111.4928368337. The cubic root of 4458402 is about 164.5860698934.

The spelling of 4458402 in words is "four million, four hundred fifty-eight thousand, four hundred two".