406678063 has 32 divisors (see below), whose sum is σ = 491987520. Its totient is φ = 331868160.

The previous prime is 406678039. The next prime is 406678079. The reversal of 406678063 is 360876604.

It is a cyclic number.

It is not a de Polignac number, because 406678063 - 2⁵ = 406678031 is a prime.

It is a super-4 number, since 4×406678063⁴ (a number of 36 digits) contains 4444 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (406678163) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 366153 + ... + 367261.

It is an arithmetic number, because the mean of its divisors is an integer number (15374610).

Almost surely, 2^406678063 is an apocalyptic number.

406678063 is a deficient number, since it is larger than the sum of its proper divisors (85309457).

406678063 is a wasteful number, since it uses less digits than its factorization.

406678063 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1227.

The product of its (nonzero) digits is 145152, while the sum is 40.

The square root of 406678063 is about 20166.2605110615. The cubic root of 406678063 is about 740.8840560365.

The spelling of 406678063 in words is "four hundred six million, six hundred seventy-eight thousand, sixty-three".