2992157956 has 6 divisors (see below), whose sum is σ = 5236276430. Its totient is φ = 1496078976.

The previous prime is 2992157939. The next prime is 2992157957. The reversal of 2992157956 is 6597512992.

It can be written as a sum of positive squares in only one way, i.e., 2979413056 + 12744900 = 54584^2 + 3570^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2992157897 and 2992157906.

It is not an unprimeable number, because it can be changed into a prime (2992157957) 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 as a sum of consecutive naturals, namely, 374019741 + ... + 374019748.

Almost surely, 2^2992157956 is an apocalyptic number.

It is an amenable number.

2992157956 is a deficient number, since it is larger than the sum of its proper divisors (2244118474).

2992157956 is a wasteful number, since it uses less digits than its factorization.

2992157956 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 748039493 (or 748039491 counting only the distinct ones).

The product of its digits is 3061800, while the sum is 55.

The square root of 2992157956 is about 54700.6211664913. The cubic root of 2992157956 is about 1440.9917865383.

The spelling of 2992157956 in words is "two billion, nine hundred ninety-two million, one hundred fifty-seven thousand, nine hundred fifty-six".