407981743 has 8 divisors (see below), whose sum is σ = 445384688. Its totient is φ = 371438784.

The previous prime is 407981729. The next prime is 407981747. The reversal of 407981743 is 347189704.

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 407981743 - 2¹⁷ = 407850671 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 407981743.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (407981747) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 214005 + ... + 215902.

It is an arithmetic number, because the mean of its divisors is an integer number (55673086).

Almost surely, 2^407981743 is an apocalyptic number.

407981743 is a deficient number, since it is larger than the sum of its proper divisors (37402945).

407981743 is a wasteful number, since it uses less digits than its factorization.

407981743 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 429993.

The product of its (nonzero) digits is 169344, while the sum is 43.

The square root of 407981743 is about 20198.5579435761. The cubic root of 407981743 is about 741.6748908120.

The spelling of 407981743 in words is "four hundred seven million, nine hundred eighty-one thousand, seven hundred forty-three".