1942937447 has 16 divisors (see below), whose sum is σ = 2202314400. Its totient is φ = 1697888640.

The previous prime is 1942937419. The next prime is 1942937449. The reversal of 1942937447 is 7447392491.

It is a cyclic number.

It is not a de Polignac number, because 1942937447 - 2⁶ = 1942937383 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1942937395 and 1942937404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1942937449) 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, 59753 + ... + 86349.

It is an arithmetic number, because the mean of its divisors is an integer number (137644650).

Almost surely, 2^1942937447 is an apocalyptic number.

1942937447 is a deficient number, since it is larger than the sum of its proper divisors (259376953).

1942937447 is a wasteful number, since it uses less digits than its factorization.

1942937447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26866.

The product of its digits is 1524096, while the sum is 50.

The square root of 1942937447 is about 44078.7641274117. The cubic root of 1942937447 is about 1247.8228656302.

The spelling of 1942937447 in words is "one billion, nine hundred forty-two million, nine hundred thirty-seven thousand, four hundred forty-seven".