7290486 has 48 divisors (see below), whose sum is σ = 18729984. Its totient is φ = 2082024.

The previous prime is 7290469. The next prime is 7290511. The reversal of 7290486 is 6840927.

It is a super-2 number, since 2×7290486² = 106302372232392, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 7290486.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2331 + ... + 4473.

It is an arithmetic number, because the mean of its divisors is an integer number (390208).

Almost surely, 2^7290486 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7290486, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9364992).

7290486 is an abundant number, since it is smaller than the sum of its proper divisors (11439498).

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

7290486 is a wasteful number, since it uses less digits than its factorization.

7290486 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2167 (or 2155 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 7290486 is about 2700.0899985000. The cubic root of 7290486 is about 193.9034308765.

It can be divided in two parts, 7290 and 486, that added together give a 5-th power (7776 = 6⁵).

The spelling of 7290486 in words is "seven million, two hundred ninety thousand, four hundred eighty-six".