408097653 has 4 divisors (see below), whose sum is σ = 544130208. Its totient is φ = 272065100.

The previous prime is 408097589. The next prime is 408097673. The reversal of 408097653 is 356790804.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 408097653 - 2⁶ = 408097589 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (408097673) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 68016273 + ... + 68016278.

It is an arithmetic number, because the mean of its divisors is an integer number (136032552).

Almost surely, 2^408097653 is an apocalyptic number.

It is an amenable number.

408097653 is a deficient number, since it is larger than the sum of its proper divisors (136032555).

408097653 is a wasteful number, since it uses less digits than its factorization.

408097653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136032554.

The product of its (nonzero) digits is 181440, while the sum is 42.

The square root of 408097653 is about 20201.4270040510. The cubic root of 408097653 is about 741.7451222199.

The spelling of 408097653 in words is "four hundred eight million, ninety-seven thousand, six hundred fifty-three".