354649 has 4 divisors (see below), whose sum is σ = 360720. Its totient is φ = 348580.

The previous prime is 354647. The next prime is 354661. The reversal of 354649 is 946453.

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 not a de Polignac number, because 354649 - 2¹ = 354647 is a prime.

It is a d-powerful number, because it can be written as 3³ + 5⁷ + 6⁵ + 4² + 4⁹ + 9⁴ .

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 354649.

It is not an unprimeable number, because it can be changed into a prime (354643) 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, 2947 + ... + 3064.

It is an arithmetic number, because the mean of its divisors is an integer number (90180).

2³⁵⁴⁶⁴⁹ is an apocalyptic number.

It is an amenable number.

354649 is a deficient number, since it is larger than the sum of its proper divisors (6071).

354649 is an equidigital number, since it uses as much as digits as its factorization.

354649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6070.

The product of its digits is 12960, while the sum is 31.

The square root of 354649 is about 595.5241388894. The cubic root of 354649 is about 70.7836434280.

The spelling of 354649 in words is "three hundred fifty-four thousand, six hundred forty-nine".