820792046 has 8 divisors (see below), whose sum is σ = 1273642920. Its totient is φ = 396244408.

The previous prime is 820792043. The next prime is 820792051. The reversal of 820792046 is 640297028.

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

It is a super-2 number, since 2×820792046² = 1347399165553732232, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (820792043) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7075736 + ... + 7075851.

It is an arithmetic number, because the mean of its divisors is an integer number (159205365).

Almost surely, 2^820792046 is an apocalyptic number.

820792046 is a deficient number, since it is larger than the sum of its proper divisors (452850874).

820792046 is a wasteful number, since it uses less digits than its factorization.

820792046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14151618.

The product of its (nonzero) digits is 48384, while the sum is 38.

The square root of 820792046 is about 28649.4685116496. The cubic root of 820792046 is about 936.2914260135.

The spelling of 820792046 in words is "eight hundred twenty million, seven hundred ninety-two thousand, forty-six".