2086404104 has 8 divisors (see below), whose sum is σ = 3912007710. Its totient is φ = 1043202048.

The previous prime is 2086404097. The next prime is 2086404107. The reversal of 2086404104 is 4014046802.

It can be written as a sum of positive squares in only one way, i.e., 1953463204 + 132940900 = 44198^2 + 11530^2 .

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

It is not an unprimeable number, because it can be changed into a prime (2086404107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 130400249 + ... + 130400264.

Almost surely, 2^2086404104 is an apocalyptic number.

It is an amenable number.

2086404104 is a deficient number, since it is larger than the sum of its proper divisors (1825603606).

2086404104 is a wasteful number, since it uses less digits than its factorization.

2086404104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 260800519 (or 260800515 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 29.

The square root of 2086404104 is about 45677.1726795781. The cubic root of 2086404104 is about 1277.8095887385.

The spelling of 2086404104 in words is "two billion, eighty-six million, four hundred four thousand, one hundred four".