1864727334 has 24 divisors (see below), whose sum is σ = 4055614992. Its totient is φ = 619210800.

The previous prime is 1864727327. The next prime is 1864727339. The reversal of 1864727334 is 4337274681.

1864727334 is a `hidden beast` number, since 1 + 86 + 472 + 73 + 34 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 1864727334.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1864727339) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 192217 + ... + 201684.

It is an arithmetic number, because the mean of its divisors is an integer number (168983958).

Almost surely, 2^1864727334 is an apocalyptic number.

1864727334 is an abundant number, since it is smaller than the sum of its proper divisors (2190887658).

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

1864727334 is a wasteful number, since it uses less digits than its factorization.

1864727334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 394172 (or 394169 counting only the distinct ones).

The product of its digits is 677376, while the sum is 45.

The square root of 1864727334 is about 43182.4887425447. The cubic root of 1864727334 is about 1230.8499499141.

The spelling of 1864727334 in words is "one billion, eight hundred sixty-four million, seven hundred twenty-seven thousand, three hundred thirty-four".