1972383895 has 8 divisors (see below), whose sum is σ = 2382536160. Its totient is φ = 1567456800.

The previous prime is 1972383893. The next prime is 1972383947. The reversal of 1972383895 is 5983832791.

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

It is not a de Polignac number, because 1972383895 - 2¹ = 1972383893 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1972383893) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1305460 + ... + 1306969.

It is an arithmetic number, because the mean of its divisors is an integer number (297817020).

Almost surely, 2^1972383895 is an apocalyptic number.

1972383895 is a deficient number, since it is larger than the sum of its proper divisors (410152265).

1972383895 is a wasteful number, since it uses less digits than its factorization.

1972383895 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2612585.

The product of its digits is 3265920, while the sum is 55.

The square root of 1972383895 is about 44411.5288523149. The cubic root of 1972383895 is about 1254.0951335210.

Subtracting 1972383895 from its reverse (5983832791), we obtain a square (4011448896 = 63336²).

The spelling of 1972383895 in words is "one billion, nine hundred seventy-two million, three hundred eighty-three thousand, eight hundred ninety-five".