402424214 has 4 divisors (see below), whose sum is σ = 603636324. Its totient is φ = 201212106.

The previous prime is 402424207. The next prime is 402424223. The reversal of 402424214 is 412424204.

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

It is a self number, because there is not a number n which added to its sum of digits gives 402424214.

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, 100606052 + ... + 100606055.

It is an arithmetic number, because the mean of its divisors is an integer number (150909081).

Almost surely, 2^402424214 is an apocalyptic number.

402424214 is a deficient number, since it is larger than the sum of its proper divisors (201212110).

402424214 is a wasteful number, since it uses less digits than its factorization.

402424214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201212109.

The product of its (nonzero) digits is 2048, while the sum is 23.

The square root of 402424214 is about 20060.5138019942. The cubic root of 402424214 is about 738.2917829391.

Adding to 402424214 its reverse (412424204), we get a palindrome (814848418).

The spelling of 402424214 in words is "four hundred two million, four hundred twenty-four thousand, two hundred fourteen".