407344661 has 8 divisors (see below), whose sum is σ = 414795360. Its totient is φ = 399954672.

The previous prime is 407344649. The next prime is 407344687. The reversal of 407344661 is 166443704.

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 407344661 - 2¹⁴ = 407328277 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 (407344601) 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, 1526 + ... + 28583.

It is an arithmetic number, because the mean of its divisors is an integer number (51849420).

Almost surely, 2^407344661 is an apocalyptic number.

It is an amenable number.

407344661 is a deficient number, since it is larger than the sum of its proper divisors (7450699).

407344661 is a wasteful number, since it uses less digits than its factorization.

407344661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30355.

The product of its (nonzero) digits is 48384, while the sum is 35.

The square root of 407344661 is about 20182.7812999101. The cubic root of 407344661 is about 741.2886366949.

The spelling of 407344661 in words is "four hundred seven million, three hundred forty-four thousand, six hundred sixty-one".