7420386 has 16 divisors (see below), whose sum is σ = 14871168. Its totient is φ = 2468400.

The previous prime is 7420363. The next prime is 7420397. The reversal of 7420386 is 6830247.

7420386 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is an Ulam number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3031 + ... + 4901.

It is an arithmetic number, because the mean of its divisors is an integer number (929448).

Almost surely, 2^7420386 is an apocalyptic number.

7420386 is an abundant number, since it is smaller than the sum of its proper divisors (7450782).

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

7420386 is a wasteful number, since it uses less digits than its factorization.

7420386 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2537.

The product of its (nonzero) digits is 8064, while the sum is 30.

The square root of 7420386 is about 2724.0385459828. The cubic root of 7420386 is about 195.0482983584.

The spelling of 7420386 in words is "seven million, four hundred twenty thousand, three hundred eighty-six".