7398090 has 48 divisors (see below), whose sum is σ = 21984768. Its totient is φ = 1690848.

The previous prime is 7398089. The next prime is 7398091. The reversal of 7398090 is 908937.

It is an interprime number because it is at equal distance from previous prime (7398089) and next prime (7398091).

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

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7398091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5242 + ... + 6501.

It is an arithmetic number, because the mean of its divisors is an integer number (458016).

Almost surely, 2^7398090 is an apocalyptic number.

7398090 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

7398090 is an abundant number, since it is smaller than the sum of its proper divisors (14586678).

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

7398090 is a wasteful number, since it uses less digits than its factorization.

7398090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11763 (or 11760 counting only the distinct ones).

The product of its (nonzero) digits is 13608, while the sum is 36.

The square root of 7398090 is about 2719.9430141089. The cubic root of 7398090 is about 194.8527487941.

The spelling of 7398090 in words is "seven million, three hundred ninety-eight thousand, ninety".