405912963 has 4 divisors (see below), whose sum is σ = 541217288. Its totient is φ = 270608640.

The previous prime is 405912959. The next prime is 405912967. The reversal of 405912963 is 369219504.

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

It is an interprime number because it is at equal distance from previous prime (405912959) and next prime (405912967).

It is not a de Polignac number, because 405912963 - 2² = 405912959 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (405912967) 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, 67652158 + ... + 67652163.

It is an arithmetic number, because the mean of its divisors is an integer number (135304322).

Almost surely, 2^405912963 is an apocalyptic number.

405912963 is a deficient number, since it is larger than the sum of its proper divisors (135304325).

405912963 is a wasteful number, since it uses less digits than its factorization.

405912963 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135304324.

The product of its (nonzero) digits is 58320, while the sum is 39.

The square root of 405912963 is about 20147.2817769544. The cubic root of 405912963 is about 740.4191459152.

The spelling of 405912963 in words is "four hundred five million, nine hundred twelve thousand, nine hundred sixty-three".