396551713 has 8 divisors (see below), whose sum is σ = 420232680. Its totient is φ = 373537920.

The previous prime is 396551677. The next prime is 396551723. The reversal of 396551713 is 317155693.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 16418704 + 380133009 = 4052^2 + 19497^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 396551713 - 2⁹ = 396551201 is a prime.

It is a super-2 number, since 2×396551713² = 314506522166468738, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (396551723) 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, 165570 + ... + 167947.

It is an arithmetic number, because the mean of its divisors is an integer number (52529085).

Almost surely, 2^396551713 is an apocalyptic number.

It is an amenable number.

396551713 is a deficient number, since it is larger than the sum of its proper divisors (23680967).

396551713 is a wasteful number, since it uses less digits than its factorization.

396551713 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 333587.

The product of its digits is 85050, while the sum is 40.

The square root of 396551713 is about 19913.6062279036. The cubic root of 396551713 is about 734.6829199820.

The spelling of 396551713 in words is "three hundred ninety-six million, five hundred fifty-one thousand, seven hundred thirteen".