403362961 has 16 divisors (see below), whose sum is σ = 438939648. Its totient is φ = 369164800.

The previous prime is 403362959. The next prime is 403362991. The reversal of 403362961 is 169263304.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 403362961 - 2¹ = 403362959 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (403362901) 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, 266196 + ... + 267706.

It is an arithmetic number, because the mean of its divisors is an integer number (27433728).

Almost surely, 2^403362961 is an apocalyptic number.

403362961 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

It is an amenable number.

403362961 is a deficient number, since it is larger than the sum of its proper divisors (35576687).

403362961 is a wasteful number, since it uses less digits than its factorization.

403362961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1952.

The product of its (nonzero) digits is 23328, while the sum is 34.

The square root of 403362961 is about 20083.8980529179. The cubic root of 403362961 is about 738.8654155678.

The spelling of 403362961 in words is "four hundred three million, three hundred sixty-two thousand, nine hundred sixty-one".