1634404486 has 16 divisors (see below), whose sum is σ = 2880209808. Its totient is φ = 685764000.

The previous prime is 1634404483. The next prime is 1634404487. The reversal of 1634404486 is 6844044361.

It is a super-5 number, since 5×1634404486⁵ (a number of 47 digits) contains 55555 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1634404483) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2857065 + ... + 2857636.

It is an arithmetic number, because the mean of its divisors is an integer number (180013113).

Almost surely, 2^1634404486 is an apocalyptic number.

1634404486 is a deficient number, since it is larger than the sum of its proper divisors (1245805322).

1634404486 is a wasteful number, since it uses less digits than its factorization.

1634404486 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5714727.

The product of its (nonzero) digits is 221184, while the sum is 40.

The square root of 1634404486 is about 40427.7687487202. The cubic root of 1634404486 is about 1177.9309922555.

The spelling of 1634404486 in words is "one billion, six hundred thirty-four million, four hundred four thousand, four hundred eighty-six".