211913350 has 36 divisors (see below), whose sum is σ = 433261332. Its totient is φ = 77057200.

The previous prime is 211913341. The next prime is 211913357. The reversal of 211913350 is 53319112.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211913357) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 11464 + ... + 23563.

It is an arithmetic number, because the mean of its divisors is an integer number (12035037).

Almost surely, 2^211913350 is an apocalyptic number.

211913350 is an abundant number, since it is smaller than the sum of its proper divisors (221347982).

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

211913350 is a wasteful number, since it uses less digits than its factorization.

211913350 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35061 (or 35045 counting only the distinct ones).

The product of its (nonzero) digits is 810, while the sum is 25.

The square root of 211913350 is about 14557.2439012335. The cubic root of 211913350 is about 596.1919471686.

The spelling of 211913350 in words is "two hundred eleven million, nine hundred thirteen thousand, three hundred fifty".