946477391 has 2 divisors, whose sum is σ = 946477392. Its totient is φ = 946477390.

The previous prime is 946477373. The next prime is 946477409. The reversal of 946477391 is 193774649.

It is a happy number.

946477391 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a balanced prime because it is at equal distance from previous prime (946477373) and next prime (946477409).

It is a cyclic number.

It is not a de Polignac number, because 946477391 - 2⁶ = 946477327 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (946477331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 473238695 + 473238696.

It is an arithmetic number, because the mean of its divisors is an integer number (473238696).

Almost surely, 2^946477391 is an apocalyptic number.

946477391 is a deficient number, since it is larger than the sum of its proper divisors (1).

946477391 is an equidigital number, since it uses as much as digits as its factorization.

946477391 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1143072, while the sum is 50.

The square root of 946477391 is about 30764.8726797300. The cubic root of 946477391 is about 981.8310176807.

The spelling of 946477391 in words is "nine hundred forty-six million, four hundred seventy-seven thousand, three hundred ninety-one".