19797046 has 8 divisors (see below), whose sum is σ = 29755440. Its totient is φ = 9878568.

The previous prime is 19797023. The next prime is 19797047. The reversal of 19797046 is 64079791.

It is a happy number.

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

It is a super-2 number, since 2×19797046² = 783846060652232, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 19796993 and 19797011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19797047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8706 + ... + 10741.

It is an arithmetic number, because the mean of its divisors is an integer number (3719430).

Almost surely, 2^19797046 is an apocalyptic number.

19797046 is a deficient number, since it is larger than the sum of its proper divisors (9958394).

19797046 is a wasteful number, since it uses less digits than its factorization.

19797046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19958.

The product of its (nonzero) digits is 95256, while the sum is 43.

The square root of 19797046 is about 4449.3871488105. The cubic root of 19797046 is about 270.5204684053.

It can be divided in two parts, 1979 and 7046, that added together give a square (9025 = 95²).

The spelling of 19797046 in words is "nineteen million, seven hundred ninety-seven thousand, forty-six".