4428402 has 32 divisors (see below), whose sum is σ = 9737280. Its totient is φ = 1331520.

The previous prime is 4428383. The next prime is 4428421. The reversal of 4428402 is 2048244.

It is an interprime number because it is at equal distance from previous prime (4428383) and next prime (4428421).

It is a super-2 number, since 2×4428402² = 39221488547208, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14968 + ... + 15260.

It is an arithmetic number, because the mean of its divisors is an integer number (304290).

Almost surely, 2^4428402 is an apocalyptic number.

4428402 is an abundant number, since it is smaller than the sum of its proper divisors (5308878).

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

4428402 is a wasteful number, since it uses less digits than its factorization.

4428402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 538.

The product of its (nonzero) digits is 2048, while the sum is 24.

The square root of 4428402 is about 2104.3768673885. The cubic root of 4428402 is about 164.2160794452.

The spelling of 4428402 in words is "four million, four hundred twenty-eight thousand, four hundred two".