402246652 has 12 divisors (see below), whose sum is σ = 707865480. Its totient is φ = 199999376.

The previous prime is 402246631. The next prime is 402246653. The reversal of 402246652 is 256642204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (402246653) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 280183 + ... + 281614.

It is an arithmetic number, because the mean of its divisors is an integer number (58988790).

Almost surely, 2^402246652 is an apocalyptic number.

It is an amenable number.

402246652 is a deficient number, since it is larger than the sum of its proper divisors (305618828).

402246652 is a wasteful number, since it uses less digits than its factorization.

402246652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 561980 (or 561978 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 31.

The square root of 402246652 is about 20056.0876543757. The cubic root of 402246652 is about 738.1831812476.

Adding to 402246652 its reverse (256642204), we get a palindrome (658888856).

The spelling of 402246652 in words is "four hundred two million, two hundred forty-six thousand, six hundred fifty-two".