4038930 has 64 divisors (see below), whose sum is σ = 12314880. Its totient is φ = 922752.

The previous prime is 4038907. The next prime is 4038949. The reversal of 4038930 is 398304.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 4038894 and 4038903.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 822 + ... + 2958.

It is an arithmetic number, because the mean of its divisors is an integer number (192420).

Almost surely, 2^4038930 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4038930, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6157440).

4038930 is an abundant number, since it is smaller than the sum of its proper divisors (8275950).

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

4038930 is a wasteful number, since it uses less digits than its factorization.

4038930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2160 (or 2154 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 4038930 is about 2009.7089341494. The cubic root of 4038930 is about 159.2534228510.

The spelling of 4038930 in words is "four million, thirty-eight thousand, nine hundred thirty".