406552623 has 32 divisors (see below), whose sum is σ = 576460800. Its totient is φ = 254343936.

The previous prime is 406552591. The next prime is 406552667. The reversal of 406552623 is 326255604.

It is not a de Polignac number, because 406552623 - 2⁵ = 406552591 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (406551623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1467561 + ... + 1467837.

It is an arithmetic number, because the mean of its divisors is an integer number (18014400).

Almost surely, 2^406552623 is an apocalyptic number.

406552623 is a deficient number, since it is larger than the sum of its proper divisors (169908177).

406552623 is a wasteful number, since it uses less digits than its factorization.

406552623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 631.

The product of its (nonzero) digits is 43200, while the sum is 33.

The square root of 406552623 is about 20163.1501259104. The cubic root of 406552623 is about 740.8078728821.

The spelling of 406552623 in words is "four hundred six million, five hundred fifty-two thousand, six hundred twenty-three".