407797623 has 24 divisors (see below), whose sum is σ = 611616720. Its totient is φ = 261515520.

The previous prime is 407797601. The next prime is 407797631. The reversal of 407797623 is 326797704.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-407797623 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (407797123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 71103 + ... + 76623.

It is an arithmetic number, because the mean of its divisors is an integer number (25484030).

Almost surely, 2^407797623 is an apocalyptic number.

407797623 is a deficient number, since it is larger than the sum of its proper divisors (203819097).

407797623 is a wasteful number, since it uses less digits than its factorization.

407797623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5839 (or 5836 counting only the distinct ones).

The product of its (nonzero) digits is 444528, while the sum is 45.

The square root of 407797623 is about 20193.9996781222. Note that the first 3 decimals coincide. The cubic root of 407797623 is about 741.5633027072.

The spelling of 407797623 in words is "four hundred seven million, seven hundred ninety-seven thousand, six hundred twenty-three".