403264427 has 4 divisors (see below), whose sum is σ = 408369120. Its totient is φ = 398159736.

The previous prime is 403264387. The next prime is 403264441. The reversal of 403264427 is 724462304.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 403264427 - 2¹⁰ = 403263403 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 403264393 and 403264402.

It is not an unprimeable number, because it can be changed into a prime (403264457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2552228 + ... + 2552385.

It is an arithmetic number, because the mean of its divisors is an integer number (102092280).

Almost surely, 2^403264427 is an apocalyptic number.

403264427 is a deficient number, since it is larger than the sum of its proper divisors (5104693).

403264427 is an equidigital number, since it uses as much as digits as its factorization.

403264427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5104692.

The product of its (nonzero) digits is 32256, while the sum is 32.

The square root of 403264427 is about 20081.4448434369. Note that the first 3 decimals coincide. The cubic root of 403264427 is about 738.8052470175.

The spelling of 403264427 in words is "four hundred three million, two hundred sixty-four thousand, four hundred twenty-seven".