496973981 has 8 divisors (see below), whose sum is σ = 568153344. Its totient is φ = 425840400.

The previous prime is 496973969. The next prime is 496974011. The reversal of 496973981 is 189379694.

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-496973981 is a prime.

It is a super-2 number, since 2×496973981² = 493966275581976722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (496973941) 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, 16316 + ... + 35498.

It is an arithmetic number, because the mean of its divisors is an integer number (71019168).

Almost surely, 2^496973981 is an apocalyptic number.

It is an amenable number.

496973981 is a deficient number, since it is larger than the sum of its proper divisors (71179363).

496973981 is a wasteful number, since it uses less digits than its factorization.

496973981 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22891.

The product of its digits is 2939328, while the sum is 56.

The square root of 496973981 is about 22292.9132461417. The cubic root of 496973981 is about 792.0961163873.

The spelling of 496973981 in words is "four hundred ninety-six million, nine hundred seventy-three thousand, nine hundred eighty-one".