356606641 has 4 divisors (see below), whose sum is σ = 356941300. Its totient is φ = 356271984.

The previous prime is 356606599. The next prime is 356606717. The reversal of 356606641 is 146606653.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 146606653 = 67 ⋅2188159.

It can be written as a sum of positive squares in 2 ways, for example, as 242736400 + 113870241 = 15580^2 + 10671^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-356606641 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 356606641.

It is not an unprimeable number, because it can be changed into a prime (356606941) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 165726 + ... + 167863.

It is an arithmetic number, because the mean of its divisors is an integer number (89235325).

Almost surely, 2^356606641 is an apocalyptic number.

It is an amenable number.

356606641 is a deficient number, since it is larger than the sum of its proper divisors (334659).

356606641 is a wasteful number, since it uses less digits than its factorization.

356606641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 334658.

The product of its (nonzero) digits is 77760, while the sum is 37.

The square root of 356606641 is about 18884.0313757418. The cubic root of 356606641 is about 709.1364499525.

The spelling of 356606641 in words is "three hundred fifty-six million, six hundred six thousand, six hundred forty-one".