206613472 has 48 divisors (see below), whose sum is σ = 439744032. Its totient is φ = 94993920.

The previous prime is 206613437. The next prime is 206613493. The reversal of 206613472 is 274316602.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 128578 + ... + 130174.

It is an arithmetic number, because the mean of its divisors is an integer number (9161334).

Almost surely, 2^206613472 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 206613472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (219872016).

206613472 is an abundant number, since it is smaller than the sum of its proper divisors (233130560).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

206613472 is a wasteful number, since it uses less digits than its factorization.

206613472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1931 (or 1923 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 31.

The square root of 206613472 is about 14374.0555167983. The cubic root of 206613472 is about 591.1797442099.

The spelling of 206613472 in words is "two hundred six million, six hundred thirteen thousand, four hundred seventy-two".