241992891 has 24 divisors (see below), whose sum is σ = 404302080. Its totient is φ = 136612656.

The previous prime is 241992889. The next prime is 241992899. The reversal of 241992891 is 198299142.

It is not a de Polignac number, because 241992891 - 2¹ = 241992889 is a prime.

It is not an unprimeable number, because it can be changed into a prime (241992899) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 17911 + ... + 28368.

It is an arithmetic number, because the mean of its divisors is an integer number (16845920).

Almost surely, 2^241992891 is an apocalyptic number.

241992891 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

241992891 is a deficient number, since it is larger than the sum of its proper divisors (162309189).

241992891 is a wasteful number, since it uses less digits than its factorization.

241992891 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46375 (or 46372 counting only the distinct ones).

The product of its digits is 93312, while the sum is 45.

The square root of 241992891 is about 15556.1206925120. The cubic root of 241992891 is about 623.1618663096.

The spelling of 241992891 in words is "two hundred forty-one million, nine hundred ninety-two thousand, eight hundred ninety-one".