214405450 has 48 divisors (see below), whose sum is σ = 460952640. Its totient is φ = 72673920.

The previous prime is 214405403. The next prime is 214405463. The reversal of 214405450 is 54504412.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 27709 + ... + 34591.

It is an arithmetic number, because the mean of its divisors is an integer number (9603180).

Almost surely, 2^214405450 is an apocalyptic number.

214405450 is an abundant number, since it is smaller than the sum of its proper divisors (246547190).

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

214405450 is a wasteful number, since it uses less digits than its factorization.

214405450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6991 (or 6986 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 25.

The square root of 214405450 is about 14642.5902763138. The cubic root of 214405450 is about 598.5199167396.

Adding to 214405450 its reverse (54504412), we get a palindrome (268909862).

The spelling of 214405450 in words is "two hundred fourteen million, four hundred five thousand, four hundred fifty".