206707494 has 16 divisors (see below), whose sum is σ = 472474368. Its totient is φ = 59059272.

The previous prime is 206707489. The next prime is 206707513. The reversal of 206707494 is 494707602.

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, 2460762 + ... + 2460845.

It is an arithmetic number, because the mean of its divisors is an integer number (29529648).

Almost surely, 2^206707494 is an apocalyptic number.

206707494 is an abundant number, since it is smaller than the sum of its proper divisors (265766874).

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

206707494 is a wasteful number, since it uses less digits than its factorization.

206707494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4921619.

The product of its (nonzero) digits is 84672, while the sum is 39.

The square root of 206707494 is about 14377.3256901275. The cubic root of 206707494 is about 591.2694051472.

The spelling of 206707494 in words is "two hundred six million, seven hundred seven thousand, four hundred ninety-four".