7286981 has 8 divisors (see below), whose sum is σ = 7870464. Its totient is φ = 6706800.

The previous prime is 7286969. The next prime is 7286989. The reversal of 7286981 is 1896827.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7286981 is a prime.

It is a super-2 number, since 2×7286981² = 106200184188722, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7286989) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5756 + ... + 6906.

It is an arithmetic number, because the mean of its divisors is an integer number (983808).

Almost surely, 2^7286981 is an apocalyptic number.

It is an amenable number.

7286981 is a deficient number, since it is larger than the sum of its proper divisors (583483).

7286981 is a wasteful number, since it uses less digits than its factorization.

7286981 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1651.

The product of its digits is 48384, while the sum is 41.

The square root of 7286981 is about 2699.4408680317. The cubic root of 7286981 is about 193.8723519942.

The spelling of 7286981 in words is "seven million, two hundred eighty-six thousand, nine hundred eighty-one".