1394466938 has 4 divisors (see below), whose sum is σ = 2091700410. Its totient is φ = 697233468.

The previous prime is 1394466937. The next prime is 1394466961. The reversal of 1394466938 is 8396644931.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 8396644931 = 3167 ⋅2651293.

It can be written as a sum of positive squares in only one way, i.e., 1162605409 + 231861529 = 34097^2 + 15227^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1394466938.

It is not an unprimeable number, because it can be changed into a prime (1394466937) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 348616733 + ... + 348616736.

Almost surely, 2^1394466938 is an apocalyptic number.

1394466938 is a deficient number, since it is larger than the sum of its proper divisors (697233472).

1394466938 is an equidigital number, since it uses as much as digits as its factorization.

1394466938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 697233471.

The product of its digits is 3359232, while the sum is 53.

The square root of 1394466938 is about 37342.5620170872. The cubic root of 1394466938 is about 1117.2132402694.

The spelling of 1394466938 in words is "one billion, three hundred ninety-four million, four hundred sixty-six thousand, nine hundred thirty-eight".