396884093 has 4 divisors (see below), whose sum is σ = 396930780. Its totient is φ = 396837408.

The previous prime is 396884083. The next prime is 396884101. The reversal of 396884093 is 390488693.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 191047684 + 205836409 = 13822^2 + 14347^2 .

It is a cyclic number.

It is not a de Polignac number, because 396884093 - 2⁴ = 396884077 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (396884003) 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, 6578 + ... + 28931.

It is an arithmetic number, because the mean of its divisors is an integer number (99232695).

Almost surely, 2^396884093 is an apocalyptic number.

It is an amenable number.

396884093 is a deficient number, since it is larger than the sum of its proper divisors (46687).

396884093 is a wasteful number, since it uses less digits than its factorization.

396884093 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46686.

The product of its (nonzero) digits is 1119744, while the sum is 50.

The square root of 396884093 is about 19921.9500300548. The cubic root of 396884093 is about 734.8881271104. Note that the first 3 decimals are identical.

The spelling of 396884093 in words is "three hundred ninety-six million, eight hundred eighty-four thousand, ninety-three".