1546749646 has 16 divisors (see below), whose sum is σ = 2556704304. Its totient is φ = 697281984.

The previous prime is 1546749643. The next prime is 1546749667. The reversal of 1546749646 is 6469476451.

It is a super-2 number, since 2×1546749646² = 4784868934802250632, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1546749593 and 1546749602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1546749643) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 690631 + ... + 692866.

It is an arithmetic number, because the mean of its divisors is an integer number (159794019).

Almost surely, 2^1546749646 is an apocalyptic number.

1546749646 is a deficient number, since it is larger than the sum of its proper divisors (1009954658).

1546749646 is a wasteful number, since it uses less digits than its factorization.

1546749646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1383555.

The product of its digits is 4354560, while the sum is 52.

The square root of 1546749646 is about 39328.7381694353. The cubic root of 1546749646 is about 1156.4850112765.

The spelling of 1546749646 in words is "one billion, five hundred forty-six million, seven hundred forty-nine thousand, six hundred forty-six".