211406152 has 32 divisors (see below), whose sum is σ = 422419320. Its totient is φ = 98841600.

The previous prime is 211406149. The next prime is 211406177. The reversal of 211406152 is 251604112.

It can be written as a sum of positive squares in 4 ways, for example, as 210656196 + 749956 = 14514^2 + 866^2 .

It is a super-2 number, since 2×211406152² = 89385122206894208, which contains 22 as substring.

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 7 ways as a sum of consecutive naturals, for example, 16402 + ... + 26302.

Almost surely, 2^211406152 is an apocalyptic number.

It is an amenable number.

211406152 is a deficient number, since it is larger than the sum of its proper divisors (211013168).

211406152 is a wasteful number, since it uses less digits than its factorization.

211406152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10081 (or 10077 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 22.

The square root of 211406152 is about 14539.8126535386. The cubic root of 211406152 is about 595.7159209511.

The spelling of 211406152 in words is "two hundred eleven million, four hundred six thousand, one hundred fifty-two".