1992546746 has 4 divisors (see below), whose sum is σ = 2988820122. Its totient is φ = 996273372.

The previous prime is 1992546737. The next prime is 1992546749. The reversal of 1992546746 is 6476452991.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6476452991 = 17 ⋅380967823.

It can be written as a sum of positive squares in only one way, i.e., 1124596225 + 867950521 = 33535^2 + 29461^2 .

It is not an unprimeable number, because it can be changed into a prime (1992546749) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 498136685 + ... + 498136688.

Almost surely, 2^1992546746 is an apocalyptic number.

1992546746 is a deficient number, since it is larger than the sum of its proper divisors (996273376).

1992546746 is an equidigital number, since it uses as much as digits as its factorization.

1992546746 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 996273375.

The product of its digits is 3265920, while the sum is 53.

The square root of 1992546746 is about 44637.9518571361. The cubic root of 1992546746 is about 1258.3540164293.

The spelling of 1992546746 in words is "one billion, nine hundred ninety-two million, five hundred forty-six thousand, seven hundred forty-six".