1938474895 has 16 divisors (see below), whose sum is σ = 2814861888. Its totient is φ = 1251048960.

The previous prime is 1938474893. The next prime is 1938474949. The reversal of 1938474895 is 5984748391.

It is not a de Polignac number, because 1938474895 - 2¹ = 1938474893 is a prime.

It is a super-2 number, since 2×1938474895² = 7515369837090522050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1938474893) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1628376 + ... + 1629565.

It is an arithmetic number, because the mean of its divisors is an integer number (175928868).

Almost surely, 2^1938474895 is an apocalyptic number.

1938474895 is a deficient number, since it is larger than the sum of its proper divisors (876386993).

1938474895 is a wasteful number, since it uses less digits than its factorization.

1938474895 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3257970.

The product of its digits is 8709120, while the sum is 58.

The square root of 1938474895 is about 44028.1148245073. The cubic root of 1938474895 is about 1246.8667972610.

The spelling of 1938474895 in words is "one billion, nine hundred thirty-eight million, four hundred seventy-four thousand, eight hundred ninety-five".