402246415 has 16 divisors (see below), whose sum is σ = 496611648. Its totient is φ = 312638976.

The previous prime is 402246409. The next prime is 402246419. The reversal of 402246415 is 514642204.

It is a cyclic number.

It is not a de Polignac number, because 402246415 - 2³ = 402246407 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (402246419) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19927 + ... + 34663.

It is an arithmetic number, because the mean of its divisors is an integer number (31038228).

Almost surely, 2^402246415 is an apocalyptic number.

402246415 is a deficient number, since it is larger than the sum of its proper divisors (94365233).

402246415 is a wasteful number, since it uses less digits than its factorization.

402246415 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14898.

The product of its (nonzero) digits is 7680, while the sum is 28.

The square root of 402246415 is about 20056.0817459443. The cubic root of 402246415 is about 738.1830362707.

Adding to 402246415 its reverse (514642204), we get a palindrome (916888619).

The spelling of 402246415 in words is "four hundred two million, two hundred forty-six thousand, four hundred fifteen".