407840973 has 16 divisors (see below), whose sum is σ = 559172736. Its totient is φ = 264219840.

The previous prime is 407840959. The next prime is 407841011. The reversal of 407840973 is 379048704.

It is not a de Polignac number, because 407840973 - 2¹⁶ = 407775437 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (407840933) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 116040 + ... + 119502.

It is an arithmetic number, because the mean of its divisors is an integer number (34948296).

Almost surely, 2^407840973 is an apocalyptic number.

It is an amenable number.

407840973 is a deficient number, since it is larger than the sum of its proper divisors (151331763).

407840973 is a wasteful number, since it uses less digits than its factorization.

407840973 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4564.

The product of its (nonzero) digits is 169344, while the sum is 42.

The square root of 407840973 is about 20195.0729882316. The cubic root of 407840973 is about 741.5895785103.

The spelling of 407840973 in words is "four hundred seven million, eight hundred forty thousand, nine hundred seventy-three".