403663413 has 16 divisors (see below), whose sum is σ = 549446976. Its totient is φ = 263533440.

The previous prime is 403663399. The next prime is 403663439. The reversal of 403663413 is 314366304.

It is not a de Polignac number, because 403663413 - 2⁴ = 403663397 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (403663483) 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, 37906 + ... + 47372.

It is an arithmetic number, because the mean of its divisors is an integer number (34340436).

Almost surely, 2^403663413 is an apocalyptic number.

It is an amenable number.

403663413 is a deficient number, since it is larger than the sum of its proper divisors (145783563).

403663413 is a wasteful number, since it uses less digits than its factorization.

403663413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9764.

The product of its (nonzero) digits is 15552, while the sum is 30.

The square root of 403663413 is about 20091.3765830020. The cubic root of 403663413 is about 739.0488223400.

The spelling of 403663413 in words is "four hundred three million, six hundred sixty-three thousand, four hundred thirteen".