7438830 has 32 divisors (see below), whose sum is σ = 20404224. Its totient is φ = 1700256.

The previous prime is 7438829. The next prime is 7438841. The reversal of 7438830 is 388347.

7438830 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a super-4 number, since 4×7438830⁴ (a number of 29 digits) contains 4444 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 7438791 and 7438800.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17502 + ... + 17921.

It is an arithmetic number, because the mean of its divisors is an integer number (637632).

Almost surely, 2^7438830 is an apocalyptic number.

7438830 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

7438830 is an abundant number, since it is smaller than the sum of its proper divisors (12965394).

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

7438830 is a wasteful number, since it uses less digits than its factorization.

7438830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35440.

The product of its (nonzero) digits is 16128, while the sum is 33.

The square root of 7438830 is about 2727.4218595589. The cubic root of 7438830 is about 195.2097676907.

The spelling of 7438830 in words is "seven million, four hundred thirty-eight thousand, eight hundred thirty".