19395442 has 8 divisors (see below), whose sum is σ = 31738032. Its totient is φ = 8816100.

The previous prime is 19395427. The next prime is 19395457. The reversal of 19395442 is 24459391.

It is an interprime number because it is at equal distance from previous prime (19395427) and next prime (19395457).

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 440784 + ... + 440827.

It is an arithmetic number, because the mean of its divisors is an integer number (3967254).

Almost surely, 2^19395442 is an apocalyptic number.

19395442 is a deficient number, since it is larger than the sum of its proper divisors (12342590).

19395442 is a wasteful number, since it uses less digits than its factorization.

19395442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 881624.

The product of its digits is 38880, while the sum is 37.

The square root of 19395442 is about 4404.0256584175. The cubic root of 19395442 is about 268.6786930343.

It can be divided in two parts, 1939 and 5442, that added together give a triangular number (7381 = T₁₂₁).

The spelling of 19395442 in words is "nineteen million, three hundred ninety-five thousand, four hundred forty-two".