354864969 has 10 divisors (see below), whose sum is σ = 530107050. Its totient is φ = 236576592.

The previous prime is 354864943. The next prime is 354864989. The reversal of 354864969 is 969468453.

354864969 is a `hidden beast` number, since 3 + 548 + 6 + 4 + 96 + 9 = 666.

It can be written as a sum of positive squares in only one way, i.e., 354832569 + 32400 = 18837^2 + 180^2 .

It is not a de Polignac number, because 354864969 - 2⁷ = 354864841 is a prime.

It is a super-2 number, since 2×354864969² = 251858292446741922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (354864989) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 2190444 + ... + 2190605.

It is an arithmetic number, because the mean of its divisors is an integer number (53010705).

Almost surely, 2^354864969 is an apocalyptic number.

It is an amenable number.

354864969 is a deficient number, since it is larger than the sum of its proper divisors (175242081).

354864969 is an equidigital number, since it uses as much as digits as its factorization.

354864969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4381061 (or 4381052 counting only the distinct ones).

The product of its digits is 5598720, while the sum is 54.

The square root of 354864969 is about 18837.8599899245. The cubic root of 354864969 is about 707.9800877767.

The spelling of 354864969 in words is "three hundred fifty-four million, eight hundred sixty-four thousand, nine hundred sixty-nine".