356947 has 2 divisors, whose sum is σ = 356948. Its totient is φ = 356946.

The previous prime is 356933. The next prime is 356959. The reversal of 356947 is 749653.

It is a strong prime.

It is an emirp because it is prime and its reverse (749653) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 356947 - 2⁷ = 356819 is a prime.

It is a super-2 number, since 2×356947² = 254822321618, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (356927) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 178473 + 178474.

It is an arithmetic number, because the mean of its divisors is an integer number (178474).

2³⁵⁶⁹⁴⁷ is an apocalyptic number.

356947 is a deficient number, since it is larger than the sum of its proper divisors (1).

356947 is an equidigital number, since it uses as much as digits as its factorization.

356947 is an evil number, because the sum of its binary digits is even.

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

The square root of 356947 is about 597.4504163527. The cubic root of 356947 is about 70.9361987186.

The spelling of 356947 in words is "three hundred fifty-six thousand, nine hundred forty-seven".