6466436 has 6 divisors (see below), whose sum is σ = 11316270. Its totient is φ = 3233216.

The previous prime is 6466433. The next prime is 6466457. The reversal of 6466436 is 6346646.

It can be written as a sum of positive squares in only one way, i.e., 6400900 + 65536 = 2530^2 + 256^2 .

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 6466396 and 6466405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6466433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 808301 + ... + 808308.

It is an arithmetic number, because the mean of its divisors is an integer number (1886045).

Almost surely, 2^6466436 is an apocalyptic number.

It is an amenable number.

6466436 is a deficient number, since it is larger than the sum of its proper divisors (4849834).

6466436 is a wasteful number, since it uses less digits than its factorization.

6466436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1616613 (or 1616611 counting only the distinct ones).

The product of its digits is 62208, while the sum is 35.

The square root of 6466436 is about 2542.9187954003. The cubic root of 6466436 is about 186.3037776933.

The spelling of 6466436 in words is "six million, four hundred sixty-six thousand, four hundred thirty-six".