1791340806 has 16 divisors (see below), whose sum is σ = 3589310448. Its totient is φ = 596008800.

The previous prime is 1791340801. The next prime is 1791340819. The reversal of 1791340806 is 6080431971.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1791340801) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 272685 + ... + 279176.

It is an arithmetic number, because the mean of its divisors is an integer number (224331903).

Almost surely, 2^1791340806 is an apocalyptic number.

1791340806 is an abundant number, since it is smaller than the sum of its proper divisors (1797969642).

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

1791340806 is a wasteful number, since it uses less digits than its factorization.

1791340806 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 552407.

The product of its (nonzero) digits is 36288, while the sum is 39.

The square root of 1791340806 is about 42324.2342635989. The cubic root of 1791340806 is about 1214.4866343808.

The spelling of 1791340806 in words is "one billion, seven hundred ninety-one million, three hundred forty thousand, eight hundred six".