403481897 has 16 divisors (see below), whose sum is σ = 497064960. Its totient is φ = 318935232.

The previous prime is 403481849. The next prime is 403481909. The reversal of 403481897 is 798184304.

It is not a de Polignac number, because 403481897 - 2⁸ = 403481641 is a prime.

It is not an unprimeable number, because it can be changed into a prime (403480897) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 187208 + ... + 189350.

It is an arithmetic number, because the mean of its divisors is an integer number (31066560).

Almost surely, 2^403481897 is an apocalyptic number.

It is an amenable number.

403481897 is a deficient number, since it is larger than the sum of its proper divisors (93583063).

403481897 is a wasteful number, since it uses less digits than its factorization.

403481897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4232.

The product of its (nonzero) digits is 193536, while the sum is 44.

The square root of 403481897 is about 20086.8588136622. The cubic root of 403481897 is about 738.9380292927.

The spelling of 403481897 in words is "four hundred three million, four hundred eighty-one thousand, eight hundred ninety-seven".