1646927046 has 32 divisors (see below), whose sum is σ = 3662690400. Its totient is φ = 548547840.

The previous prime is 1646927041. The next prime is 1646927053. The reversal of 1646927046 is 6407296461.

It is a super-2 number, since 2×1646927046² = 5424737389692572232, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1646926992 and 1646927010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1646927041) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 62290 + ... + 84698.

It is an arithmetic number, because the mean of its divisors is an integer number (114459075).

Almost surely, 2^1646927046 is an apocalyptic number.

1646927046 is an abundant number, since it is smaller than the sum of its proper divisors (2015763354).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1646927046 is a wasteful number, since it uses less digits than its factorization.

1646927046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23781 (or 23775 counting only the distinct ones).

The product of its (nonzero) digits is 435456, while the sum is 45.

The square root of 1646927046 is about 40582.3489463092. The cubic root of 1646927046 is about 1180.9317179267.

The spelling of 1646927046 in words is "one billion, six hundred forty-six million, nine hundred twenty-seven thousand, forty-six".