4402398 has 64 divisors (see below), whose sum is σ = 11837952. Its totient is φ = 1054080.

The previous prime is 4402393. The next prime is 4402399. The reversal of 4402398 is 8932044.

It is a happy number.

It is a super-2 number, since 2×4402398² = 38762216300808, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4402393) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5640 + ... + 6372.

It is an arithmetic number, because the mean of its divisors is an integer number (184968).

Almost surely, 2^4402398 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4402398, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5918976).

4402398 is an abundant number, since it is smaller than the sum of its proper divisors (7435554).

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

4402398 is a wasteful number, since it uses less digits than its factorization.

4402398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 769.

The product of its (nonzero) digits is 6912, while the sum is 30.

The square root of 4402398 is about 2098.1892193032. The cubic root of 4402398 is about 163.8940173866.

The spelling of 4402398 in words is "four million, four hundred two thousand, three hundred ninety-eight".