395966766 has 32 divisors (see below), whose sum is σ = 873659808. Its totient is φ = 118863360.

The previous prime is 395966761. The next prime is 395966777. The reversal of 395966766 is 667669593.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (395966761) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 58711 + ... + 65106.

It is an arithmetic number, because the mean of its divisors is an integer number (27301869).

Almost surely, 2^395966766 is an apocalyptic number.

395966766 is an abundant number, since it is smaller than the sum of its proper divisors (477693042).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

395966766 is a wasteful number, since it uses less digits than its factorization.

395966766 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123876.

The product of its digits is 11022480, while the sum is 57.

The square root of 395966766 is about 19898.9136889429. The cubic root of 395966766 is about 734.3215025970.

The spelling of 395966766 in words is "three hundred ninety-five million, nine hundred sixty-six thousand, seven hundred sixty-six".