405300997 has 8 divisors (see below), whose sum is σ = 417736736. Its totient is φ = 392943312.

The previous prime is 405300991. The next prime is 405301003. The reversal of 405300997 is 799003504.

It is an interprime number because it is at equal distance from previous prime (405300991) and next prime (405301003).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 405300997 - 2¹⁹ = 404776709 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (405300991) 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 7 ways as a sum of consecutive naturals, for example, 8883 + ... + 29824.

It is an arithmetic number, because the mean of its divisors is an integer number (52217092).

Almost surely, 2^405300997 is an apocalyptic number.

It is an amenable number.

405300997 is a deficient number, since it is larger than the sum of its proper divisors (12435739).

405300997 is a wasteful number, since it uses less digits than its factorization.

405300997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39027.

The product of its (nonzero) digits is 34020, while the sum is 37.

The square root of 405300997 is about 20132.0887391249. The cubic root of 405300997 is about 740.0468664011.

The spelling of 405300997 in words is "four hundred five million, three hundred thousand, nine hundred ninety-seven".