206438396 has 12 divisors (see below), whose sum is σ = 367190040. Its totient is φ = 101526960.

The previous prime is 206438389. The next prime is 206438447. The reversal of 206438396 is 693834602.

It is a super-2 number, since 2×206438396² = 85233622686105632, which contains 22 as substring.

It is a hoax number, since the sum of its digits (41) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 422786 + ... + 423273.

It is an arithmetic number, because the mean of its divisors is an integer number (30599170).

Almost surely, 2^206438396 is an apocalyptic number.

It is an amenable number.

206438396 is a deficient number, since it is larger than the sum of its proper divisors (160751644).

206438396 is a wasteful number, since it uses less digits than its factorization.

206438396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 846124 (or 846122 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 41.

The square root of 206438396 is about 14367.9642260134. The cubic root of 206438396 is about 591.0127163261.

The spelling of 206438396 in words is "two hundred six million, four hundred thirty-eight thousand, three hundred ninety-six".