19315936 has 12 divisors (see below), whose sum is σ = 38028312. Its totient is φ = 9657952.

The previous prime is 19315889. The next prime is 19315939. The reversal of 19315936 is 63951391.

It is a junction number, because it is equal to n+sod(n) for n = 19315895 and 19315904.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19315939) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 301780 + ... + 301843.

It is an arithmetic number, because the mean of its divisors is an integer number (3169026).

Almost surely, 2^19315936 is an apocalyptic number.

19315936 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

19315936 is a deficient number, since it is larger than the sum of its proper divisors (18712376).

19315936 is an equidigital number, since it uses as much as digits as its factorization.

19315936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 603633 (or 603625 counting only the distinct ones).

The product of its digits is 21870, while the sum is 37.

The square root of 19315936 is about 4394.9898748461. The cubic root of 19315936 is about 268.3110667411.

It can be divided in two parts, 193 and 15936, that added together give a square (16129 = 127²).

The spelling of 19315936 in words is "nineteen million, three hundred fifteen thousand, nine hundred thirty-six".