19935345 has 16 divisors (see below), whose sum is σ = 31973760. Its totient is φ = 10606464.

The previous prime is 19935329. The next prime is 19935353. The reversal of 19935345 is 54353991.

It is not a de Polignac number, because 19935345 - 2⁴ = 19935329 is a prime.

It is a super-4 number, since 4×19935345⁴ (a number of 30 digits) contains 4444 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5941 + ... + 8669.

It is an arithmetic number, because the mean of its divisors is an integer number (1998360).

Almost surely, 2^19935345 is an apocalyptic number.

19935345 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

19935345 is a deficient number, since it is larger than the sum of its proper divisors (12038415).

19935345 is a wasteful number, since it uses less digits than its factorization.

19935345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3224.

The product of its digits is 72900, while the sum is 39.

The square root of 19935345 is about 4464.9014546796. The cubic root of 19935345 is about 271.1489447795.

The spelling of 19935345 in words is "nineteen million, nine hundred thirty-five thousand, three hundred forty-five".