356985667 has 4 divisors (see below), whose sum is σ = 357119680. Its totient is φ = 356851656.

The previous prime is 356985653. The next prime is 356985709. The reversal of 356985667 is 766589653.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 356985667 - 2¹⁵ = 356952899 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (356980667) 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, 62928 + ... + 68365.

It is an arithmetic number, because the mean of its divisors is an integer number (89279920).

Almost surely, 2^356985667 is an apocalyptic number.

356985667 is a deficient number, since it is larger than the sum of its proper divisors (134013).

356985667 is a wasteful number, since it uses less digits than its factorization.

356985667 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134012.

The product of its digits is 8164800, while the sum is 55.

The square root of 356985667 is about 18894.0643324828. The cubic root of 356985667 is about 709.3876006145.

The spelling of 356985667 in words is "three hundred fifty-six million, nine hundred eighty-five thousand, six hundred sixty-seven".