6402632 has 8 divisors (see below), whose sum is σ = 12004950. Its totient is φ = 3201312.

The previous prime is 6402631. The next prime is 6402653. The reversal of 6402632 is 2362046.

It can be written as a sum of positive squares in only one way, i.e., 5134756 + 1267876 = 2266^2 + 1126^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 6402598 and 6402607.

It is not an unprimeable number, because it can be changed into a prime (6402631) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 400157 + ... + 400172.

Almost surely, 2^6402632 is an apocalyptic number.

It is an amenable number.

6402632 is a deficient number, since it is larger than the sum of its proper divisors (5602318).

6402632 is a wasteful number, since it uses less digits than its factorization.

6402632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 800335 (or 800331 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 6402632 is about 2530.3422693383. The cubic root of 6402632 is about 185.6890012351.

Adding to 6402632 its reverse (2362046), we get a palindrome (8764678).

The spelling of 6402632 in words is "six million, four hundred two thousand, six hundred thirty-two".