214429490 has 16 divisors (see below), whose sum is σ = 421061760. Its totient is φ = 77974320.

The previous prime is 214429471. The next prime is 214429499. The reversal of 214429490 is 94924412.

It is a happy number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 214429490.

It is not an unprimeable number, because it can be changed into a prime (214429499) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 974570 + ... + 974789.

It is an arithmetic number, because the mean of its divisors is an integer number (26316360).

Almost surely, 2^214429490 is an apocalyptic number.

214429490 is a deficient number, since it is larger than the sum of its proper divisors (206632270).

214429490 is a wasteful number, since it uses less digits than its factorization.

214429490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1949377.

The product of its (nonzero) digits is 20736, while the sum is 35.

The square root of 214429490 is about 14643.4111463142. The cubic root of 214429490 is about 598.5422853890.

The spelling of 214429490 in words is "two hundred fourteen million, four hundred twenty-nine thousand, four hundred ninety".