420377 has 4 divisors (see below), whose sum is σ = 423120. Its totient is φ = 417636.

The previous prime is 420367. The next prime is 420383. The reversal of 420377 is 773024.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 420377 - 2⁴ = 420361 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (420307) 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, 1127 + ... + 1452.

It is an arithmetic number, because the mean of its divisors is an integer number (105780).

2⁴²⁰³⁷⁷ is an apocalyptic number.

It is an amenable number.

420377 is a deficient number, since it is larger than the sum of its proper divisors (2743).

420377 is a wasteful number, since it uses less digits than its factorization.

420377 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2742.

The product of its (nonzero) digits is 1176, while the sum is 23.

The square root of 420377 is about 648.3648664140. The cubic root of 420377 is about 74.9111243528.

It can be divided in two parts, 420 and 377, that added together give a palindrome (797).

The spelling of 420377 in words is "four hundred twenty thousand, three hundred seventy-seven", and thus it is an iban number.