939420 has 72 divisors (see below), whose sum is σ = 3027024. Its totient is φ = 235008.

The previous prime is 939413. The next prime is 939431. The reversal of 939420 is 24939.

939420 = 37³ + 38³ + ... + 48³.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 2907 + ... + 3213.

It is an arithmetic number, because the mean of its divisors is an integer number (42042).

2⁹³⁹⁴²⁰ is an apocalyptic number.

939420 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 939420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1513512).

939420 is an abundant number, since it is smaller than the sum of its proper divisors (2087604).

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

939420 is a wasteful number, since it uses less digits than its factorization.

939420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 339 (or 334 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 27.

The square root of 939420 is about 969.2368131680. The cubic root of 939420 is about 97.9384592106.

The spelling of 939420 in words is "nine hundred thirty-nine thousand, four hundred twenty".