1394850309 has 16 divisors (see below), whose sum is σ = 1936978560. Its totient is φ = 892019520.

The previous prime is 1394850263. The next prime is 1394850361. The reversal of 1394850309 is 9030584931.

It is not a de Polignac number, because 1394850309 - 2¹¹ = 1394848261 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1394850389) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 80614 + ... + 96375.

It is an arithmetic number, because the mean of its divisors is an integer number (121061160).

Almost surely, 2^1394850309 is an apocalyptic number.

It is an amenable number.

1394850309 is a deficient number, since it is larger than the sum of its proper divisors (542128251).

1394850309 is a wasteful number, since it uses less digits than its factorization.

1394850309 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177100.

The product of its (nonzero) digits is 116640, while the sum is 42.

The square root of 1394850309 is about 37347.6948284630. The cubic root of 1394850309 is about 1117.3156134179.

The spelling of 1394850309 in words is "one billion, three hundred ninety-four million, eight hundred fifty thousand, three hundred nine".