1994114990 has 32 divisors (see below), whose sum is σ = 4234512384. Its totient is φ = 661641120.

The previous prime is 1994114971. The next prime is 1994115029. The reversal of 1994114990 is 994114991.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 457304 + ... + 461643.

It is an arithmetic number, because the mean of its divisors is an integer number (132328512).

Almost surely, 2^1994114990 is an apocalyptic number.

1994114990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1994114990 is an abundant number, since it is smaller than the sum of its proper divisors (2240397394).

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

1994114990 is a wasteful number, since it uses less digits than its factorization.

1994114990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 918992.

The product of its (nonzero) digits is 104976, while the sum is 47.

The square root of 1994114990 is about 44655.5146650445. The cubic root of 1994114990 is about 1258.6840611555.

Subtracting from 1994114990 its reverse (994114991), we obtain a palindrome (999999999).

The spelling of 1994114990 in words is "one billion, nine hundred ninety-four million, one hundred fourteen thousand, nine hundred ninety".