211241404 has 12 divisors (see below), whose sum is σ = 403279128. Its totient is φ = 96018800.

The previous prime is 211241363. The next prime is 211241447. The reversal of 211241404 is 404142112.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2400427 + ... + 2400514.

It is an arithmetic number, because the mean of its divisors is an integer number (33606594).

Almost surely, 2^211241404 is an apocalyptic number.

It is an amenable number.

211241404 is a deficient number, since it is larger than the sum of its proper divisors (192037724).

211241404 is a wasteful number, since it uses less digits than its factorization.

211241404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4800956 (or 4800954 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

The square root of 211241404 is about 14534.1461393506. The cubic root of 211241404 is about 595.5611343617.

Adding to 211241404 its reverse (404142112), we get a palindrome (615383516).

The spelling of 211241404 in words is "two hundred eleven million, two hundred forty-one thousand, four hundred four".