354307697 has 4 divisors (see below), whose sum is σ = 357815796. Its totient is φ = 350799600.

The previous prime is 354307669. The next prime is 354307699. The reversal of 354307697 is 796703453.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 332114176 + 22193521 = 18224^2 + 4711^2 .

It is a cyclic number.

It is not a de Polignac number, because 354307697 - 2⁸ = 354307441 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (354307699) 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, 1753898 + ... + 1754099.

It is an arithmetic number, because the mean of its divisors is an integer number (89453949).

Almost surely, 2^354307697 is an apocalyptic number.

It is an amenable number.

354307697 is a deficient number, since it is larger than the sum of its proper divisors (3508099).

354307697 is a wasteful number, since it uses less digits than its factorization.

354307697 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3508098.

The product of its (nonzero) digits is 476280, while the sum is 44.

The square root of 354307697 is about 18823.0629016640. The cubic root of 354307697 is about 707.6092949225.

The spelling of 354307697 in words is "three hundred fifty-four million, three hundred seven thousand, six hundred ninety-seven".