1930857441 has 8 divisors (see below), whose sum is σ = 2574959424. Its totient is φ = 1286996880.

The previous prime is 1930857421. The next prime is 1930857443. The reversal of 1930857441 is 1447580391.

It is a happy number.

1930857441 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 1930857441 - 2⁹ = 1930856929 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1930857393 and 1930857402.

It is not an unprimeable number, because it can be changed into a prime (1930857443) 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, 40786 + ... + 74331.

It is an arithmetic number, because the mean of its divisors is an integer number (321869928).

Almost surely, 2^1930857441 is an apocalyptic number.

It is an amenable number.

1930857441 is a deficient number, since it is larger than the sum of its proper divisors (644101983).

1930857441 is a wasteful number, since it uses less digits than its factorization.

1930857441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120711.

The product of its (nonzero) digits is 120960, while the sum is 42.

The square root of 1930857441 is about 43941.5229708757. The cubic root of 1930857441 is about 1245.2314190546.

The spelling of 1930857441 in words is "one billion, nine hundred thirty million, eight hundred fifty-seven thousand, four hundred forty-one".