214426290 has 64 divisors (see below), whose sum is σ = 573350400. Its totient is φ = 50959104.

The previous prime is 214426279. The next prime is 214426297. The reversal of 214426290 is 92624412.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (214426297) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1831 + ... + 20789.

It is an arithmetic number, because the mean of its divisors is an integer number (8958600).

Almost surely, 2^214426290 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 214426290, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (286675200).

214426290 is an abundant number, since it is smaller than the sum of its proper divisors (358924110).

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

214426290 is a wasteful number, since it uses less digits than its factorization.

214426290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19011.

The product of its (nonzero) digits is 6912, while the sum is 30.

The square root of 214426290 is about 14643.3018817478. The cubic root of 214426290 is about 598.5393079614.

The spelling of 214426290 in words is "two hundred fourteen million, four hundred twenty-six thousand, two hundred ninety".