354401405 has 8 divisors (see below), whose sum is σ = 425440512. Its totient is φ = 283415248.

The previous prime is 354401381. The next prime is 354401413. The reversal of 354401405 is 504104453.

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

It is a cyclic number.

It is not a de Polignac number, because 354401405 - 2⁸ = 354401149 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 (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3392 + ... + 26838.

It is an arithmetic number, because the mean of its divisors is an integer number (53180064).

Almost surely, 2^354401405 is an apocalyptic number.

It is an amenable number.

354401405 is a deficient number, since it is larger than the sum of its proper divisors (71039107).

354401405 is a wasteful number, since it uses less digits than its factorization.

354401405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26475.

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 354401405 is about 18825.5519175402. The cubic root of 354401405 is about 707.6716727252.

Adding to 354401405 its reverse (504104453), we get a palindrome (858505858).

The spelling of 354401405 in words is "three hundred fifty-four million, four hundred one thousand, four hundred five".