1996772354 has 16 divisors (see below), whose sum is σ = 3031522200. Its totient is φ = 986302464.

The previous prime is 1996772311. The next prime is 1996772363. The reversal of 1996772354 is 4532776991.

It can be written as a sum of positive squares in 4 ways, for example, as 1751004025 + 245768329 = 41845^2 + 15677^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1996772296 and 1996772305.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 101342 + ... + 119430.

Almost surely, 2^1996772354 is an apocalyptic number.

1996772354 is a deficient number, since it is larger than the sum of its proper divisors (1034749846).

1996772354 is a wasteful number, since it uses less digits than its factorization.

1996772354 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18757.

The product of its digits is 2857680, while the sum is 53.

The square root of 1996772354 is about 44685.2587997429. The cubic root of 1996772354 is about 1259.2429217815.

The spelling of 1996772354 in words is "one billion, nine hundred ninety-six million, seven hundred seventy-two thousand, three hundred fifty-four".