214829021 has 8 divisors (see below), whose sum is σ = 234472800. Its totient is φ = 195204240.

The previous prime is 214829011. The next prime is 214829023. The reversal of 214829021 is 120928412.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 214829021 - 2²² = 210634717 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (214829023) 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, 29975 + ... + 36443.

It is an arithmetic number, because the mean of its divisors is an integer number (29309100).

Almost surely, 2^214829021 is an apocalyptic number.

It is an amenable number.

214829021 is a deficient number, since it is larger than the sum of its proper divisors (19643779).

214829021 is a wasteful number, since it uses less digits than its factorization.

214829021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9499.

The product of its (nonzero) digits is 2304, while the sum is 29.

The square root of 214829021 is about 14657.0468035004. The cubic root of 214829021 is about 598.9137949695.

It can be divided in two parts, 21482 and 9021, that added together give a palindrome (30503).

The spelling of 214829021 in words is "two hundred fourteen million, eight hundred twenty-nine thousand, twenty-one".