206949190 has 32 divisors (see below), whose sum is σ = 431124480. Its totient is φ = 70053984.

The previous prime is 206949161. The next prime is 206949199. The reversal of 206949190 is 91949602.

206949190 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×206949190² = 85655934483312200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (206949199) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13182 + ... + 24241.

It is an arithmetic number, because the mean of its divisors is an integer number (13472640).

Almost surely, 2^206949190 is an apocalyptic number.

206949190 is an abundant number, since it is smaller than the sum of its proper divisors (224175290).

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

206949190 is a wasteful number, since it uses less digits than its factorization.

206949190 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37516.

The product of its (nonzero) digits is 34992, while the sum is 40.

The square root of 206949190 is about 14385.7286920058. The cubic root of 206949190 is about 591.4997657477.

The spelling of 206949190 in words is "two hundred six million, nine hundred forty-nine thousand, one hundred ninety".