211000740 has 48 divisors (see below), whose sum is σ = 591658368. Its totient is φ = 56185344.

The previous prime is 211000717. The next prime is 211000759. The reversal of 211000740 is 47000112.

211000740 is digitally balanced in base 2, base 3 and base 9, because in such bases it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (15).

211000740 is strictly pandigital in base 9.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 47244 + ... + 51516.

It is an arithmetic number, because the mean of its divisors is an integer number (12326216).

Almost surely, 2^211000740 is an apocalyptic number.

211000740 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

211000740 is an abundant number, since it is smaller than the sum of its proper divisors (380657628).

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

211000740 is a wasteful number, since it uses less digits than its factorization.

211000740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5108 (or 5106 counting only the distinct ones).

The product of its (nonzero) digits is 56, while the sum is 15.

The square root of 211000740 is about 14525.8645181621. The cubic root of 211000740 is about 595.3348772804.

Adding to 211000740 its reverse (47000112), we get a palindrome (258000852).

The spelling of 211000740 in words is "two hundred eleven million, seven hundred forty", and thus it is an aban number.