402236473 has 8 divisors (see below), whose sum is σ = 427811328. Its totient is φ = 376874304.

The previous prime is 402236447. The next prime is 402236519. The reversal of 402236473 is 374632204.

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 402236473 - 2¹⁷ = 402105401 is a prime.

It is a super-2 number, since 2×402236473² = 323588360422959458, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (402236413) 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 7 ways as a sum of consecutive naturals, for example, 49261 + ... + 56842.

It is an arithmetic number, because the mean of its divisors is an integer number (53476416).

Almost surely, 2^402236473 is an apocalyptic number.

It is an amenable number.

402236473 is a deficient number, since it is larger than the sum of its proper divisors (25574855).

402236473 is a wasteful number, since it uses less digits than its factorization.

402236473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106343.

The product of its (nonzero) digits is 24192, while the sum is 31.

The square root of 402236473 is about 20055.8338894198. The cubic root of 402236473 is about 738.1769545291.

Adding to 402236473 its reverse (374632204), we get a palindrome (776868677).

The spelling of 402236473 in words is "four hundred two million, two hundred thirty-six thousand, four hundred seventy-three".