420324619 has 16 divisors (see below), whose sum is σ = 504322560. Its totient is φ = 345209760.

The previous prime is 420324617. The next prime is 420324649. The reversal of 420324619 is 916423024.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 420324619 - 2¹ = 420324617 is a prime.

It is a super-2 number, since 2×420324619² = 353345570674990322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (420324617) 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 15 ways as a sum of consecutive naturals, for example, 24549 + ... + 37990.

It is an arithmetic number, because the mean of its divisors is an integer number (31520160).

Almost surely, 2^420324619 is an apocalyptic number.

420324619 is a deficient number, since it is larger than the sum of its proper divisors (83997941).

420324619 is a wasteful number, since it uses less digits than its factorization.

420324619 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62610.

The product of its (nonzero) digits is 10368, while the sum is 31.

The square root of 420324619 is about 20501.8198948288. The cubic root of 420324619 is about 749.0801279455.

The spelling of 420324619 in words is "four hundred twenty million, three hundred twenty-four thousand, six hundred nineteen".