946985747 has 4 divisors (see below), whose sum is σ = 947137320. Its totient is φ = 946834176.

The previous prime is 946985729. The next prime is 946985759. The reversal of 946985747 is 747589649.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-946985747 is a prime.

It is a super-2 number, since 2×946985747² = 1793564010042296018, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (946985447) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 65993 + ... + 79050.

It is an arithmetic number, because the mean of its divisors is an integer number (236784330).

Almost surely, 2^946985747 is an apocalyptic number.

946985747 is a deficient number, since it is larger than the sum of its proper divisors (151573).

946985747 is a wasteful number, since it uses less digits than its factorization.

946985747 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151572.

The product of its digits is 15240960, while the sum is 59.

The square root of 946985747 is about 30773.1335258534. The cubic root of 946985747 is about 982.0067677340.

The spelling of 946985747 in words is "nine hundred forty-six million, nine hundred eighty-five thousand, seven hundred forty-seven".