212646496 has 24 divisors (see below), whose sum is σ = 419065920. Its totient is φ = 106217088.

The previous prime is 212646479. The next prime is 212646503. The reversal of 212646496 is 694646212.

It is a happy number.

It is a super-2 number, since 2×212646496² = 90437064522156032, which contains 22 as substring.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36625 + ... + 42031.

It is an arithmetic number, because the mean of its divisors is an integer number (17461080).

Almost surely, 2^212646496 is an apocalyptic number.

It is an amenable number.

212646496 is a deficient number, since it is larger than the sum of its proper divisors (206419424).

212646496 is a wasteful number, since it uses less digits than its factorization.

212646496 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6646 (or 6638 counting only the distinct ones).

The product of its digits is 124416, while the sum is 40.

The square root of 212646496 is about 14582.4036427470. The cubic root of 212646496 is about 596.8786942783.

The spelling of 212646496 in words is "two hundred twelve million, six hundred forty-six thousand, four hundred ninety-six".