420347365 has 8 divisors (see below), whose sum is σ = 504540288. Its totient is φ = 336195600.

The previous prime is 420347357. The next prime is 420347381. The reversal of 420347365 is 563743024.

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

It is not a de Polignac number, because 420347365 - 2³ = 420347357 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 420347365.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20640 + ... + 35590.

It is an arithmetic number, because the mean of its divisors is an integer number (63067536).

Almost surely, 2^420347365 is an apocalyptic number.

It is an amenable number.

420347365 is a deficient number, since it is larger than the sum of its proper divisors (84192923).

420347365 is a wasteful number, since it uses less digits than its factorization.

420347365 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20579.

The product of its (nonzero) digits is 60480, while the sum is 34.

The square root of 420347365 is about 20502.3746185655. The cubic root of 420347365 is about 749.0936399380.

The spelling of 420347365 in words is "four hundred twenty million, three hundred forty-seven thousand, three hundred sixty-five".