354267399 has 4 divisors (see below), whose sum is σ = 472356536. Its totient is φ = 236178264.

The previous prime is 354267383. The next prime is 354267401. The reversal of 354267399 is 993762453.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 354267399 - 2⁴ = 354267383 is a prime.

It is a super-3 number, since 3×354267399³ (a number of 27 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (354267379) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 59044564 + ... + 59044569.

It is an arithmetic number, because the mean of its divisors is an integer number (118089134).

Almost surely, 2^354267399 is an apocalyptic number.

354267399 is a deficient number, since it is larger than the sum of its proper divisors (118089137).

354267399 is a wasteful number, since it uses less digits than its factorization.

354267399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118089136.

The product of its digits is 1224720, while the sum is 48.

The square root of 354267399 is about 18821.9924290708. The cubic root of 354267399 is about 707.5824667157.

The spelling of 354267399 in words is "three hundred fifty-four million, two hundred sixty-seven thousand, three hundred ninety-nine".