1926338945 has 16 divisors (see below), whose sum is σ = 2363040000. Its totient is φ = 1506845184.

The previous prime is 1926338927. The next prime is 1926338971. The reversal of 1926338945 is 5498336291.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1926338945 - 2²² = 1922144641 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1926338893 and 1926338902.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 290234 + ... + 296796.

It is an arithmetic number, because the mean of its divisors is an integer number (147690000).

Almost surely, 2^1926338945 is an apocalyptic number.

It is an amenable number.

1926338945 is a deficient number, since it is larger than the sum of its proper divisors (436701055).

1926338945 is a wasteful number, since it uses less digits than its factorization.

1926338945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7864.

The product of its digits is 1399680, while the sum is 50.

The square root of 1926338945 is about 43890.0779789692. The cubic root of 1926338945 is about 1244.2593176124.

The spelling of 1926338945 in words is "one billion, nine hundred twenty-six million, three hundred thirty-eight thousand, nine hundred forty-five".