4628439 has 6 divisors (see below), whose sum is σ = 6685536. Its totient is φ = 3085620.

The previous prime is 4628431. The next prime is 4628447. The reversal of 4628439 is 9348264.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (4628431) and next prime (4628447).

It is not a de Polignac number, because 4628439 - 2³ = 4628431 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4628431) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 257127 + ... + 257144.

It is an arithmetic number, because the mean of its divisors is an integer number (1114256).

Almost surely, 2^4628439 is an apocalyptic number.

4628439 is a deficient number, since it is larger than the sum of its proper divisors (2057097).

4628439 is a wasteful number, since it uses less digits than its factorization.

4628439 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 514277 (or 514274 counting only the distinct ones).

The product of its digits is 41472, while the sum is 36.

The square root of 4628439 is about 2151.3807194451. The cubic root of 4628439 is about 166.6523778861.

Subtracting from 4628439 its sum of digits (36), we obtain a triangular number (4628403 = T₃₀₄₂).

The spelling of 4628439 in words is "four million, six hundred twenty-eight thousand, four hundred thirty-nine".