1911834936 has 48 divisors (see below), whose sum is σ = 5648605560. Its totient is φ = 579343680.

The previous prime is 1911834907. The next prime is 1911834971. The reversal of 1911834936 is 6394381191.

It is a super-2 number, since 2×1911834936² = 7310225645020248192, which contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 1911834891 and 1911834900.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1206175 + ... + 1207758.

Almost surely, 2^1911834936 is an apocalyptic number.

It is an amenable number.

1911834936 is an abundant number, since it is smaller than the sum of its proper divisors (3736770624).

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

1911834936 is a wasteful number, since it uses less digits than its factorization.

1911834936 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2413956 (or 2413949 counting only the distinct ones).

The product of its digits is 139968, while the sum is 45.

The square root of 1911834936 is about 43724.5347145055. The cubic root of 1911834936 is about 1241.1286411532.

The spelling of 1911834936 in words is "one billion, nine hundred eleven million, eight hundred thirty-four thousand, nine hundred thirty-six".