7484390 has 16 divisors (see below), whose sum is σ = 13543200. Its totient is φ = 2977920.

The previous prime is 7484383. The next prime is 7484401. The reversal of 7484390 is 934847.

It is a self number, because there is not a number n which added to its sum of digits gives 7484390.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 110 + ... + 3870.

It is an arithmetic number, because the mean of its divisors is an integer number (846450).

Almost surely, 2^7484390 is an apocalyptic number.

7484390 is a deficient number, since it is larger than the sum of its proper divisors (6058810).

7484390 is a wasteful number, since it uses less digits than its factorization.

7484390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3967.

The product of its (nonzero) digits is 24192, while the sum is 35.

The square root of 7484390 is about 2735.7613199985. The cubic root of 7484390 is about 195.6074853240.

The spelling of 7484390 in words is "seven million, four hundred eighty-four thousand, three hundred ninety".