354961685 has 12 divisors (see below), whose sum is σ = 461241252. Its totient is φ = 262124928.

The previous prime is 354961681. The next prime is 354961699. The reversal of 354961685 is 586169453.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 2798929 + 352162756 = 1673^2 + 18766^2 .

It is not a de Polignac number, because 354961685 - 2² = 354961681 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (354961681) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 209192 + ... + 210881.

It is an arithmetic number, because the mean of its divisors is an integer number (38436771).

Almost surely, 2^354961685 is an apocalyptic number.

It is an amenable number.

354961685 is a deficient number, since it is larger than the sum of its proper divisors (106279567).

354961685 is a wasteful number, since it uses less digits than its factorization.

354961685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 420104 (or 420091 counting only the distinct ones).

The product of its digits is 777600, while the sum is 47.

The square root of 354961685 is about 18840.4268794526. The cubic root of 354961685 is about 708.0444002978.

The spelling of 354961685 in words is "three hundred fifty-four million, nine hundred sixty-one thousand, six hundred eighty-five".