1046785939 has 2 divisors, whose sum is σ = 1046785940. Its totient is φ = 1046785938.

The previous prime is 1046785921. The next prime is 1046785951. The reversal of 1046785939 is 9395876401.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (9395876401) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1046785939 is a prime.

It is a super-2 number, since 2×1046785939² = 2191521604176223442, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1046785919) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 523392969 + 523392970.

It is an arithmetic number, because the mean of its divisors is an integer number (523392970).

Almost surely, 2^1046785939 is an apocalyptic number.

1046785939 is a deficient number, since it is larger than the sum of its proper divisors (1).

1046785939 is an equidigital number, since it uses as much as digits as its factorization.

1046785939 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1632960, while the sum is 52.

The square root of 1046785939 is about 32354.0714439466. The cubic root of 1046785939 is about 1015.3582302224.

The spelling of 1046785939 in words is "one billion, forty-six million, seven hundred eighty-five thousand, nine hundred thirty-nine".