394895460 has 24 divisors (see below), whose sum is σ = 1105707456. Its totient is φ = 105305440.

The previous prime is 394895443. The next prime is 394895461. The reversal of 394895460 is 64598493.

It is a super-2 number, since 2×394895460² = 311884848657223200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (394895461) 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, 3290736 + ... + 3290855.

It is an arithmetic number, because the mean of its divisors is an integer number (46071144).

Almost surely, 2^394895460 is an apocalyptic number.

394895460 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

394895460 is an abundant number, since it is smaller than the sum of its proper divisors (710811996).

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

394895460 is a wasteful number, since it uses less digits than its factorization.

394895460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6581603 (or 6581601 counting only the distinct ones).

The product of its (nonzero) digits is 933120, while the sum is 48.

The square root of 394895460 is about 19871.9767511941. The cubic root of 394895460 is about 733.6586577689.

The spelling of 394895460 in words is "three hundred ninety-four million, eight hundred ninety-five thousand, four hundred sixty".