211893048 has 24 divisors (see below), whose sum is σ = 573877200. Its totient is φ = 70630992.

The previous prime is 211893001. The next prime is 211893079. The reversal of 211893048 is 840398112.

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1471408 + ... + 1471551.

It is an arithmetic number, because the mean of its divisors is an integer number (23911550).

Almost surely, 2^211893048 is an apocalyptic number.

It is an amenable number.

211893048 is an abundant number, since it is smaller than the sum of its proper divisors (361984152).

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

211893048 is a wasteful number, since it uses less digits than its factorization.

211893048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2942971 (or 2942964 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 36.

The square root of 211893048 is about 14556.5465684688. The cubic root of 211893048 is about 596.1729075070.

The spelling of 211893048 in words is "two hundred eleven million, eight hundred ninety-three thousand, forty-eight".