811209046 has 8 divisors (see below), whose sum is σ = 1219625064. Its totient is φ = 404667360.

The previous prime is 811209031. The next prime is 811209097. The reversal of 811209046 is 640902118.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 811208999 and 811209017.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 467500 + ... + 469231.

It is an arithmetic number, because the mean of its divisors is an integer number (152453133).

Almost surely, 2^811209046 is an apocalyptic number.

811209046 is a deficient number, since it is larger than the sum of its proper divisors (408416018).

811209046 is a wasteful number, since it uses less digits than its factorization.

811209046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 937166.

The product of its (nonzero) digits is 3456, while the sum is 31.

The square root of 811209046 is about 28481.7317942572. The cubic root of 811209046 is about 932.6333220815.

The spelling of 811209046 in words is "eight hundred eleven million, two hundred nine thousand, forty-six".