406065416 has 32 divisors (see below), whose sum is σ = 807602400. Its totient is φ = 190869120.

The previous prime is 406065367. The next prime is 406065419. The reversal of 406065416 is 614560604.

It is not an unprimeable number, because it can be changed into a prime (406065419) 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, 9716 + ... + 30108.

It is an arithmetic number, because the mean of its divisors is an integer number (25237575).

Almost surely, 2^406065416 is an apocalyptic number.

It is an amenable number.

406065416 is a deficient number, since it is larger than the sum of its proper divisors (401536984).

406065416 is a wasteful number, since it uses less digits than its factorization.

406065416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20549 (or 20545 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 32.

The square root of 406065416 is about 20151.0648850129. The cubic root of 406065416 is about 740.5118299809.

The spelling of 406065416 in words is "four hundred six million, sixty-five thousand, four hundred sixteen".