1394072849 has 8 divisors (see below), whose sum is σ = 1566583872. Its totient is φ = 1230886800.

The previous prime is 1394072837. The next prime is 1394072881. The reversal of 1394072849 is 9482704931.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-1394072849 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1394072549) 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, 2330927 + ... + 2331524.

It is an arithmetic number, because the mean of its divisors is an integer number (195822984).

Almost surely, 2^1394072849 is an apocalyptic number.

It is an amenable number.

1394072849 is a deficient number, since it is larger than the sum of its proper divisors (172511023).

1394072849 is a wasteful number, since it uses less digits than its factorization.

1394072849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4662487.

The product of its (nonzero) digits is 435456, while the sum is 47.

The square root of 1394072849 is about 37337.2849709242. The cubic root of 1394072849 is about 1117.1079854898.

The spelling of 1394072849 in words is "one billion, three hundred ninety-four million, seventy-two thousand, eight hundred forty-nine".