1394047460 has 48 divisors (see below), whose sum is σ = 3167758272. Its totient is φ = 512265600.

The previous prime is 1394047387. The next prime is 1394047469. The reversal of 1394047460 is 647404931.

It is not an unprimeable number, because it can be changed into a prime (1394047469) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 42155 + ... + 67565.

It is an arithmetic number, because the mean of its divisors is an integer number (65994964).

Almost surely, 2^1394047460 is an apocalyptic number.

1394047460 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1394047460, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1583879136).

1394047460 is an abundant number, since it is smaller than the sum of its proper divisors (1773710812).

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

1394047460 is a wasteful number, since it uses less digits than its factorization.

1394047460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25644 (or 25642 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 38.

The square root of 1394047460 is about 37336.9449741138. The cubic root of 1394047460 is about 1117.1012038196.

The spelling of 1394047460 in words is "one billion, three hundred ninety-four million, forty-seven thousand, four hundred sixty".