406988413 has 8 divisors (see below), whose sum is σ = 438908288. Its totient is φ = 375156144.

The previous prime is 406988389. The next prime is 406988423. The reversal of 406988413 is 314889604.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-406988413 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 406988413.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (406988423) 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, 12081 + ... + 30982.

It is an arithmetic number, because the mean of its divisors is an integer number (54863536).

Almost surely, 2^406988413 is an apocalyptic number.

It is an amenable number.

406988413 is a deficient number, since it is larger than the sum of its proper divisors (31919875).

406988413 is a wasteful number, since it uses less digits than its factorization.

406988413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43803.

The product of its (nonzero) digits is 165888, while the sum is 43.

The square root of 406988413 is about 20173.9538266548. The cubic root of 406988413 is about 741.0724728068.

The spelling of 406988413 in words is "four hundred six million, nine hundred eighty-eight thousand, four hundred thirteen".