402236371 has 8 divisors (see below), whose sum is σ = 431897184. Its totient is φ = 373242240.

The previous prime is 402236369. The next prime is 402236381. The reversal of 402236371 is 173632204.

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

It is a cyclic number.

It is not a de Polignac number, because 402236371 - 2¹ = 402236369 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (402236311) 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 7 ways as a sum of consecutive naturals, for example, 165420 + ... + 167833.

It is an arithmetic number, because the mean of its divisors is an integer number (53987148).

Almost surely, 2^402236371 is an apocalyptic number.

402236371 is a deficient number, since it is larger than the sum of its proper divisors (29660813).

402236371 is a wasteful number, since it uses less digits than its factorization.

402236371 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 333341.

The product of its (nonzero) digits is 6048, while the sum is 28.

The square root of 402236371 is about 20055.8313465186. The cubic root of 402236371 is about 738.1768921329.

Adding to 402236371 its reverse (173632204), we get a palindrome (575868575).

The spelling of 402236371 in words is "four hundred two million, two hundred thirty-six thousand, three hundred seventy-one".