4255944 has 128 divisors (see below), whose sum is σ = 13824000. Its totient is φ = 1081920.

The previous prime is 4255939. The next prime is 4255949. The reversal of 4255944 is 4495524.

It is an interprime number because it is at equal distance from previous prime (4255939) and next prime (4255949).

It is a super-2 number, since 2×4255944² = 36226118662272, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4255949) 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, 90529 + ... + 90575.

It is an arithmetic number, because the mean of its divisors is an integer number (108000).

Almost surely, 2^4255944 is an apocalyptic number.

4255944 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4255944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6912000).

4255944 is an abundant number, since it is smaller than the sum of its proper divisors (9568056).

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

4255944 is a wasteful number, since it uses less digits than its factorization.

4255944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88 (or 70 counting only the distinct ones).

The product of its digits is 28800, while the sum is 33.

The square root of 4255944 is about 2062.9939408539. The cubic root of 4255944 is about 162.0560696024.

The spelling of 4255944 in words is "four million, two hundred fifty-five thousand, nine hundred forty-four".