354784469 has 4 divisors (see below), whose sum is σ = 382075596. Its totient is φ = 327493344.

The previous prime is 354784327. The next prime is 354784471. The reversal of 354784469 is 964487453.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 964487453 = 13249 ⋅72797.

It can be written as a sum of positive squares in 2 ways, for example, as 205578244 + 149206225 = 14338^2 + 12215^2 .

It is a cyclic number.

It is not a de Polignac number, because 354784469 - 2¹⁶ = 354718933 is a prime.

It is a super-2 number, since 2×354784469² = 251744038887223922, which contains 22 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 (354784769) 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, 13645544 + ... + 13645569.

It is an arithmetic number, because the mean of its divisors is an integer number (95518899).

Almost surely, 2^354784469 is an apocalyptic number.

It is an amenable number.

354784469 is a deficient number, since it is larger than the sum of its proper divisors (27291127).

354784469 is a wasteful number, since it uses less digits than its factorization.

354784469 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27291126.

The product of its digits is 2903040, while the sum is 50.

The square root of 354784469 is about 18835.7232141482. The cubic root of 354784469 is about 707.9265493775.

The spelling of 354784469 in words is "three hundred fifty-four million, seven hundred eighty-four thousand, four hundred sixty-nine".