406604551 has 8 divisors (see below), whose sum is σ = 411394464. Its totient is φ = 401831040.

The previous prime is 406604533. The next prime is 406604593. The reversal of 406604551 is 155406604.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 406604551 - 2¹⁵ = 406571783 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (406604501) 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 7 ways as a sum of consecutive naturals, for example, 49875 + ... + 57451.

It is an arithmetic number, because the mean of its divisors is an integer number (51424308).

Almost surely, 2^406604551 is an apocalyptic number.

406604551 is a deficient number, since it is larger than the sum of its proper divisors (4789913).

406604551 is a wasteful number, since it uses less digits than its factorization.

406604551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8201.

The product of its (nonzero) digits is 14400, while the sum is 31.

The square root of 406604551 is about 20164.4377804094. The cubic root of 406604551 is about 740.8394120821.

The spelling of 406604551 in words is "four hundred six million, six hundred four thousand, five hundred fifty-one".