383677420 has 96 divisors (see below), whose sum is σ = 1001572992. Its totient is φ = 120434688.

The previous prime is 383677417. The next prime is 383677439. The reversal of 383677420 is 24776383.

383677420 = T₂₈₉ + T₂₉₀ + ... + T₁₃₂₄.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 85882 + ... + 90238.

It is an arithmetic number, because the mean of its divisors is an integer number (10433052).

Almost surely, 2^383677420 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 383677420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (500786496).

383677420 is an abundant number, since it is smaller than the sum of its proper divisors (617895572).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

383677420 is a wasteful number, since it uses less digits than its factorization.

383677420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4427 (or 4425 counting only the distinct ones).

The product of its (nonzero) digits is 169344, while the sum is 40.

The square root of 383677420 is about 19587.6854171186. The cubic root of 383677420 is about 726.6446499890.

The spelling of 383677420 in words is "three hundred eighty-three million, six hundred seventy-seven thousand, four hundred twenty".