1073985634 has 8 divisors (see below), whose sum is σ = 1612069200. Its totient is φ = 536629236.

The previous prime is 1073985631. The next prime is 1073985641. The reversal of 1073985634 is 4365893701.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (1073985631) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 178084 + ... + 184015.

It is an arithmetic number, because the mean of its divisors is an integer number (201508650).

Almost surely, 2^1073985634 is an apocalyptic number.

1073985634 is a deficient number, since it is larger than the sum of its proper divisors (538083566).

1073985634 is a wasteful number, since it uses less digits than its factorization.

1073985634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 363584.

The product of its (nonzero) digits is 544320, while the sum is 46.

The square root of 1073985634 is about 32771.7200342002. The cubic root of 1073985634 is about 1024.0774992462.

The spelling of 1073985634 in words is "one billion, seventy-three million, nine hundred eighty-five thousand, six hundred thirty-four".