7389690 has 96 divisors (see below), whose sum is σ = 22555584. Its totient is φ = 1532160.

The previous prime is 7389661. The next prime is 7389703. The reversal of 7389690 is 969837.

It is a happy number.

It is a super-2 number, since 2×7389690² = 109215036592200, which contains 22 as substring.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 15942 + ... + 16398.

It is an arithmetic number, because the mean of its divisors is an integer number (234954).

Almost surely, 2^7389690 is an apocalyptic number.

7389690 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 7389690, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11277792).

7389690 is an abundant number, since it is smaller than the sum of its proper divisors (15165894).

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

7389690 is a wasteful number, since it uses less digits than its factorization.

7389690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 492 (or 485 counting only the distinct ones).

The product of its (nonzero) digits is 81648, while the sum is 42.

The square root of 7389690 is about 2718.3984255440. The cubic root of 7389690 is about 194.7789737631.

The spelling of 7389690 in words is "seven million, three hundred eighty-nine thousand, six hundred ninety".