7390086 has 32 divisors (see below), whose sum is σ = 16523136. Its totient is φ = 2184000.

The previous prime is 7390081. The next prime is 7390111. The reversal of 7390086 is 6800937.

It is a happy number.

It is a super-2 number, since 2×7390086² = 109226742174792, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7390081) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1341 + ... + 4071.

It is an arithmetic number, because the mean of its divisors is an integer number (516348).

Almost surely, 2^7390086 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7390086, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8261568).

7390086 is an abundant number, since it is smaller than the sum of its proper divisors (9133050).

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

7390086 is a wasteful number, since it uses less digits than its factorization.

7390086 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2788.

The product of its (nonzero) digits is 9072, while the sum is 33.

The square root of 7390086 is about 2718.4712615733. The cubic root of 7390086 is about 194.7824529842.

It can be divided in two parts, 7 and 390086, that added together give a palindrome (390093).

The spelling of 7390086 in words is "seven million, three hundred ninety thousand, eighty-six".