191260460 has 24 divisors (see below), whose sum is σ = 422787120. Its totient is φ = 72477504.

The previous prime is 191260457. The next prime is 191260493. The reversal of 191260460 is 64062191.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 251279 + ... + 252038.

It is an arithmetic number, because the mean of its divisors is an integer number (17616130).

Almost surely, 2^191260460 is an apocalyptic number.

191260460 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

191260460 is an abundant number, since it is smaller than the sum of its proper divisors (231526660).

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

191260460 is a wasteful number, since it uses less digits than its factorization.

191260460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 503345 (or 503343 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 29.

The square root of 191260460 is about 13829.6948628666. The cubic root of 191260460 is about 576.1581797759.

The spelling of 191260460 in words is "one hundred ninety-one million, two hundred sixty thousand, four hundred sixty".