406614021 has 8 divisors (see below), whose sum is σ = 591438624. Its totient is φ = 246432720.

The previous prime is 406614001. The next prime is 406614037. The reversal of 406614021 is 120416604.

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

It is not a de Polignac number, because 406614021 - 2⁶ = 406613957 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 406613982 and 406614000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (406614001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6160786 + ... + 6160851.

It is an arithmetic number, because the mean of its divisors is an integer number (73929828).

Almost surely, 2^406614021 is an apocalyptic number.

It is an amenable number.

406614021 is a deficient number, since it is larger than the sum of its proper divisors (184824603).

406614021 is a wasteful number, since it uses less digits than its factorization.

406614021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12321651.

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 406614021 is about 20164.6725983835. The cubic root of 406614021 is about 740.8451635301.

The spelling of 406614021 in words is "four hundred six million, six hundred fourteen thousand, twenty-one".