841491944 has 8 divisors (see below), whose sum is σ = 1577797410. Its totient is φ = 420745968.

The previous prime is 841491943. The next prime is 841492013. The reversal of 841491944 is 449194148.

It can be written as a sum of positive squares in only one way, i.e., 641608900 + 199883044 = 25330^2 + 14138^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 841491895 and 841491904.

It is not an unprimeable number, because it can be changed into a prime (841491943) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52593239 + ... + 52593254.

Almost surely, 2^841491944 is an apocalyptic number.

It is an amenable number.

841491944 is a deficient number, since it is larger than the sum of its proper divisors (736305466).

841491944 is a wasteful number, since it uses less digits than its factorization.

841491944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105186499 (or 105186495 counting only the distinct ones).

The product of its digits is 165888, while the sum is 44.

The square root of 841491944 is about 29008.4805531072. The cubic root of 841491944 is about 944.0970795737.

The spelling of 841491944 in words is "eight hundred forty-one million, four hundred ninety-one thousand, nine hundred forty-four".