214191940 has 24 divisors (see below), whose sum is σ = 473477760. Its totient is φ = 81167328.

The previous prime is 214191881. The next prime is 214191947. The reversal of 214191940 is 49191412.

214191940 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (214191947) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 281452 + ... + 282211.

It is an arithmetic number, because the mean of its divisors is an integer number (19728240).

Almost surely, 2^214191940 is an apocalyptic number.

214191940 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

214191940 is an abundant number, since it is smaller than the sum of its proper divisors (259285820).

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

214191940 is a wasteful number, since it uses less digits than its factorization.

214191940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 563691 (or 563689 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 31.

The square root of 214191940 is about 14635.2977421028. The cubic root of 214191940 is about 598.3211773424.

The spelling of 214191940 in words is "two hundred fourteen million, one hundred ninety-one thousand, nine hundred forty".