214949830 has 16 divisors (see below), whose sum is σ = 388352880. Its totient is φ = 85659232.

The previous prime is 214949809. The next prime is 214949837. The reversal of 214949830 is 38949412.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (214949837) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37264 + ... + 42643.

It is an arithmetic number, because the mean of its divisors is an integer number (24272055).

Almost surely, 2^214949830 is an apocalyptic number.

214949830 is a deficient number, since it is larger than the sum of its proper divisors (173403050).

214949830 is a wasteful number, since it uses less digits than its factorization.

214949830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80183.

The product of its (nonzero) digits is 62208, while the sum is 40.

The square root of 214949830 is about 14661.1674160007. The cubic root of 214949830 is about 599.0260402298.

The spelling of 214949830 in words is "two hundred fourteen million, nine hundred forty-nine thousand, eight hundred thirty".