396277699 has 4 divisors (see below), whose sum is σ = 417134440. Its totient is φ = 375420960.

The previous prime is 396277627. The next prime is 396277709. The reversal of 396277699 is 996772693.

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 396277699 - 2⁹ = 396277187 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (396277499) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10428342 + ... + 10428379.

It is an arithmetic number, because the mean of its divisors is an integer number (104283610).

Almost surely, 2^396277699 is an apocalyptic number.

396277699 is a deficient number, since it is larger than the sum of its proper divisors (20856741).

396277699 is a wasteful number, since it uses less digits than its factorization.

396277699 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20856740.

The product of its digits is 7715736, while the sum is 58.

The square root of 396277699 is about 19906.7249692158. The cubic root of 396277699 is about 734.5136610215.

The spelling of 396277699 in words is "three hundred ninety-six million, two hundred seventy-seven thousand, six hundred ninety-nine".