1493423936 has 14 divisors (see below), whose sum is σ = 2963513250. Its totient is φ = 746711936.

The previous prime is 1493423929. The next prime is 1493423947. The reversal of 1493423936 is 6393243941.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 1407750400 + 85673536 = 37520^2 + 9256^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11667311 + ... + 11667438.

Almost surely, 2^1493423936 is an apocalyptic number.

1493423936 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1493423936 is a deficient number, since it is larger than the sum of its proper divisors (1470089314).

1493423936 is an equidigital number, since it uses as much as digits as its factorization.

1493423936 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23334761 (or 23334751 counting only the distinct ones).

The product of its digits is 419904, while the sum is 44.

The square root of 1493423936 is about 38644.8435887636. The cubic root of 1493423936 is about 1143.0389666425.

The spelling of 1493423936 in words is "one billion, four hundred ninety-three million, four hundred twenty-three thousand, nine hundred thirty-six".