402031414 has 8 divisors (see below), whose sum is σ = 603445608. Its totient is φ = 200882880.

The previous prime is 402031411. The next prime is 402031439. The reversal of 402031414 is 414130204.

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

It is a junction number, because it is equal to n+sod(n) for n = 402031391 and 402031400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (402031411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 62587 + ... + 68710.

It is an arithmetic number, because the mean of its divisors is an integer number (75430701).

Almost surely, 2^402031414 is an apocalyptic number.

402031414 is a deficient number, since it is larger than the sum of its proper divisors (201414194).

402031414 is a wasteful number, since it uses less digits than its factorization.

402031414 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132830.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 402031414 is about 20050.7210344167. The cubic root of 402031414 is about 738.0514930422.

Adding to 402031414 its reverse (414130204), we get a palindrome (816161618).

The spelling of 402031414 in words is "four hundred two million, thirty-one thousand, four hundred fourteen".