354896405 has 8 divisors (see below), whose sum is σ = 426243384. Its totient is φ = 283672000.

The previous prime is 354896393. The next prime is 354896419. The reversal of 354896405 is 504698453.

It can be written as a sum of positive squares in 4 ways, for example, as 101163364 + 253733041 = 10058^2 + 15929^2 .

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

It is not a de Polignac number, because 354896405 - 2⁸ = 354896149 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24146 + ... + 35955.

It is an arithmetic number, because the mean of its divisors is an integer number (53280423).

Almost surely, 2^354896405 is an apocalyptic number.

It is an amenable number.

354896405 is a deficient number, since it is larger than the sum of its proper divisors (71346979).

354896405 is a wasteful number, since it uses less digits than its factorization.

354896405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61287.

The product of its (nonzero) digits is 518400, while the sum is 44.

The square root of 354896405 is about 18838.6943549706. The cubic root of 354896405 is about 708.0009928221. Note that the first 3 decimals are identical.

The spelling of 354896405 in words is "three hundred fifty-four million, eight hundred ninety-six thousand, four hundred five".