211649074 has 16 divisors (see below), whose sum is σ = 390737088. Its totient is φ = 83729232.

The previous prime is 211649033. The next prime is 211649089. The reversal of 211649074 is 470946112.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 581272 + ... + 581635.

It is an arithmetic number, because the mean of its divisors is an integer number (24421068).

Almost surely, 2^211649074 is an apocalyptic number.

211649074 is a deficient number, since it is larger than the sum of its proper divisors (179088014).

211649074 is a wasteful number, since it uses less digits than its factorization.

211649074 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1162929.

The product of its (nonzero) digits is 12096, while the sum is 34.

The square root of 211649074 is about 14548.1639391368. The cubic root of 211649074 is about 595.9440081478.

The spelling of 211649074 in words is "two hundred eleven million, six hundred forty-nine thousand, seventy-four".