19348442 has 4 divisors (see below), whose sum is σ = 29022666. Its totient is φ = 9674220.

The previous prime is 19348421. The next prime is 19348457. The reversal of 19348442 is 24484391.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 24484391 = 79 ⋅309929.

It can be written as a sum of positive squares in only one way, i.e., 17131321 + 2217121 = 4139^2 + 1489^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4837109 + ... + 4837112.

Almost surely, 2^19348442 is an apocalyptic number.

19348442 is a deficient number, since it is larger than the sum of its proper divisors (9674224).

19348442 is an equidigital number, since it uses as much as digits as its factorization.

19348442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9674223.

The product of its digits is 27648, while the sum is 35.

The square root of 19348442 is about 4398.6863948229. The cubic root of 19348442 is about 268.4614923039.

The spelling of 19348442 in words is "nineteen million, three hundred forty-eight thousand, four hundred forty-two".