7389090 has 32 divisors (see below), whose sum is σ = 19704960. Its totient is φ = 1970352.

The previous prime is 7389079. The next prime is 7389091. The reversal of 7389090 is 909837.

7389090 = T₃₀ + T₃₁ + ... + T₃₅₃.

It is not an unprimeable number, because it can be changed into a prime (7389091) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 13414 + ... + 13953.

It is an arithmetic number, because the mean of its divisors is an integer number (615780).

Almost surely, 2^7389090 is an apocalyptic number.

7389090 is an abundant number, since it is smaller than the sum of its proper divisors (12315870).

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

7389090 is a wasteful number, since it uses less digits than its factorization.

7389090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27383 (or 27377 counting only the distinct ones).

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

The square root of 7389090 is about 2718.2880642051. The cubic root of 7389090 is about 194.7737019792.

The spelling of 7389090 in words is "seven million, three hundred eighty-nine thousand, ninety".