206630454 has 16 divisors (see below), whose sum is σ = 414789120. Its totient is φ = 68622120.

The previous prime is 206630443. The next prime is 206630477. The reversal of 206630454 is 454036602.

206630454 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×206630454² = 85392289040492232, which contains 22 as substring.

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, 61914 + ... + 65165.

It is an arithmetic number, because the mean of its divisors is an integer number (25924320).

Almost surely, 2^206630454 is an apocalyptic number.

206630454 is an abundant number, since it is smaller than the sum of its proper divisors (208158666).

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

206630454 is a wasteful number, since it uses less digits than its factorization.

206630454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127355.

The product of its (nonzero) digits is 17280, while the sum is 30.

The square root of 206630454 is about 14374.6462217336. The cubic root of 206630454 is about 591.1959405390.

The spelling of 206630454 in words is "two hundred six million, six hundred thirty thousand, four hundred fifty-four".