402430214 has 4 divisors (see below), whose sum is σ = 603645324. Its totient is φ = 201215106.

The previous prime is 402430181. The next prime is 402430253. The reversal of 402430214 is 412034204.

It is a semiprime because it is the product of two primes.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100607552 + ... + 100607555.

It is an arithmetic number, because the mean of its divisors is an integer number (150911331).

Almost surely, 2^402430214 is an apocalyptic number.

402430214 is a deficient number, since it is larger than the sum of its proper divisors (201215110).

402430214 is a wasteful number, since it uses less digits than its factorization.

402430214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201215109.

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 402430214 is about 20060.6633489523. The cubic root of 402430214 is about 738.2954521423.

Adding to 402430214 its reverse (412034204), we get a palindrome (814464418).

The spelling of 402430214 in words is "four hundred two million, four hundred thirty thousand, two hundred fourteen".