1493906814 has 20 divisors (see below), whose sum is σ = 3347458224. Its totient is φ = 497968884.

The previous prime is 1493906801. The next prime is 1493906831. The reversal of 1493906814 is 4186093941.

1493906814 is a `hidden beast` number, since 1 + 493 + 90 + 68 + 14 = 666.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1493906814.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 4610662 + ... + 4610985.

Almost surely, 2^1493906814 is an apocalyptic number.

1493906814 is an abundant number, since it is smaller than the sum of its proper divisors (1853551410).

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

1493906814 is an equidigital number, since it uses as much as digits as its factorization.

1493906814 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9221661 (or 9221652 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 45.

The square root of 1493906814 is about 38651.0907219964. The cubic root of 1493906814 is about 1143.1621486538.

The spelling of 1493906814 in words is "one billion, four hundred ninety-three million, nine hundred six thousand, eight hundred fourteen".