354429457 has 4 divisors (see below), whose sum is σ = 354543856. Its totient is φ = 354315060.

The previous prime is 354429443. The next prime is 354429469. The reversal of 354429457 is 754924453.

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, and also an emirpimes, since its reverse is a distinct semiprime: 754924453 = 20327 ⋅37139.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-354429457 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (354429437) 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, 52419 + ... + 58792.

It is an arithmetic number, because the mean of its divisors is an integer number (88635964).

Almost surely, 2^354429457 is an apocalyptic number.

It is an amenable number.

354429457 is a deficient number, since it is larger than the sum of its proper divisors (114399).

354429457 is a wasteful number, since it uses less digits than its factorization.

354429457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114398.

The product of its digits is 604800, while the sum is 43.

The square root of 354429457 is about 18826.2969539950. The cubic root of 354429457 is about 707.6903437215.

The spelling of 354429457 in words is "three hundred fifty-four million, four hundred twenty-nine thousand, four hundred fifty-seven".