194990264 has 16 divisors (see below), whose sum is σ = 417836400. Its totient is φ = 83567232.

The previous prime is 194990261. The next prime is 194990281. The reversal of 194990264 is 462099491.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (194990261) 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, 1740929 + ... + 1741040.

It is an arithmetic number, because the mean of its divisors is an integer number (26114775).

Almost surely, 2^194990264 is an apocalyptic number.

194990264 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

194990264 is an abundant number, since it is smaller than the sum of its proper divisors (222846136).

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

194990264 is a wasteful number, since it uses less digits than its factorization.

194990264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3481982 (or 3481978 counting only the distinct ones).

The product of its (nonzero) digits is 139968, while the sum is 44.

The square root of 194990264 is about 13963.8914346968. The cubic root of 194990264 is about 579.8793486653.

The spelling of 194990264 in words is "one hundred ninety-four million, nine hundred ninety thousand, two hundred sixty-four".