1394049938 has 24 divisors (see below), whose sum is σ = 2193392784. Its totient is φ = 664140960.

The previous prime is 1394049919. The next prime is 1394049947. The reversal of 1394049938 is 8399404931.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 139745 + ... + 149387.

It is an arithmetic number, because the mean of its divisors is an integer number (91391366).

Almost surely, 2^1394049938 is an apocalyptic number.

1394049938 is a deficient number, since it is larger than the sum of its proper divisors (799342846).

1394049938 is an equidigital number, since it uses as much as digits as its factorization.

1394049938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9770 (or 9729 counting only the distinct ones).

The product of its (nonzero) digits is 839808, while the sum is 50.

The square root of 1394049938 is about 37336.9781583888. The cubic root of 1394049938 is about 1117.1018657232.

The spelling of 1394049938 in words is "one billion, three hundred ninety-four million, forty-nine thousand, nine hundred thirty-eight".