356649 has 8 divisors (see below), whose sum is σ = 500640. Its totient is φ = 225216.

The previous prime is 356647. The next prime is 356663. The reversal of 356649 is 946653.

356649 = T₁₉₀ + T₁₉₁ + ... + T₂₀₇.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 356649 - 2¹ = 356647 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (356647) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3072 + ... + 3185.

It is an arithmetic number, because the mean of its divisors is an integer number (62580).

2³⁵⁶⁶⁴⁹ is an apocalyptic number.

It is an amenable number.

356649 is a deficient number, since it is larger than the sum of its proper divisors (143991).

356649 is a wasteful number, since it uses less digits than its factorization.

356649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6279.

The product of its digits is 19440, while the sum is 33.

The square root of 356649 is about 597.2009711981. The cubic root of 356649 is about 70.9164526754.

The spelling of 356649 in words is "three hundred fifty-six thousand, six hundred forty-nine".