4890438 has 48 divisors (see below), whose sum is σ = 12448800. Its totient is φ = 1358208.

The previous prime is 4890419. The next prime is 4890481. The reversal of 4890438 is 8340984.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4138 + ... + 5186.

It is an arithmetic number, because the mean of its divisors is an integer number (259350).

Almost surely, 2^4890438 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4890438, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6224400).

4890438 is an abundant number, since it is smaller than the sum of its proper divisors (7558362).

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

4890438 is a wasteful number, since it uses less digits than its factorization.

4890438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1101 (or 1098 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 36.

The square root of 4890438 is about 2211.4334717554. The cubic root of 4890438 is about 169.7393699471.

The spelling of 4890438 in words is "four million, eight hundred ninety thousand, four hundred thirty-eight".