354040417 has 4 divisors (see below), whose sum is σ = 354171136. Its totient is φ = 353909700.

The previous prime is 354040387. The next prime is 354040459. The reversal of 354040417 is 714040453.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-354040417 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (354040117) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 61209 + ... + 66742.

It is an arithmetic number, because the mean of its divisors is an integer number (88542784).

Almost surely, 2^354040417 is an apocalyptic number.

It is an amenable number.

354040417 is a deficient number, since it is larger than the sum of its proper divisors (130719).

354040417 is a wasteful number, since it uses less digits than its factorization.

354040417 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130718.

The product of its (nonzero) digits is 6720, while the sum is 28.

The square root of 354040417 is about 18815.9617612282. The cubic root of 354040417 is about 707.4313164855.

The spelling of 354040417 in words is "three hundred fifty-four million, forty thousand, four hundred seventeen".