1005940194 has 32 divisors (see below), whose sum is σ = 2352768000. Its totient is φ = 280726992.

The previous prime is 1005940193. The next prime is 1005940231. The reversal of 1005940194 is 4910495001.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1005940193) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 276694 + ... + 280305.

It is an arithmetic number, because the mean of its divisors is an integer number (73524000).

Almost surely, 2^1005940194 is an apocalyptic number.

1005940194 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1005940194 is an abundant number, since it is smaller than the sum of its proper divisors (1346827806).

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

1005940194 is a wasteful number, since it uses less digits than its factorization.

1005940194 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 557054.

The product of its (nonzero) digits is 6480, while the sum is 33.

The square root of 1005940194 is about 31716.5602485515. The cubic root of 1005940194 is about 1001.9761568982.

The spelling of 1005940194 in words is "one billion, five million, nine hundred forty thousand, one hundred ninety-four".