354769 has 4 divisors (see below), whose sum is σ = 357300. Its totient is φ = 352240.

The previous prime is 354763. The next prime is 354779. The reversal of 354769 is 967453.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 967453 = 17 ⋅56909.

It can be written as a sum of positive squares in 2 ways, for example, as 12544 + 342225 = 112^2 + 585^2 .

It is a cyclic number.

It is not a de Polignac number, because 354769 - 2⁵ = 354737 is a prime.

It is a super-2 number, since 2×354769² = 251722086722, which contains 22 as substring.

It is a Duffinian number.

354769 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (354763) 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, 1042 + ... + 1339.

It is an arithmetic number, because the mean of its divisors is an integer number (89325).

2³⁵⁴⁷⁶⁹ is an apocalyptic number.

It is an amenable number.

354769 is a deficient number, since it is larger than the sum of its proper divisors (2531).

354769 is a wasteful number, since it uses less digits than its factorization.

354769 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2530.

The product of its digits is 22680, while the sum is 34.

The square root of 354769 is about 595.6248819517. The cubic root of 354769 is about 70.7916260431.

The spelling of 354769 in words is "three hundred fifty-four thousand, seven hundred sixty-nine".