941639 has 4 divisors (see below), whose sum is σ = 947256. Its totient is φ = 936024.

The previous prime is 941617. The next prime is 941641. The reversal of 941639 is 936149.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 941639 - 2⁸ = 941383 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (941609) 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, 2549 + ... + 2894.

It is an arithmetic number, because the mean of its divisors is an integer number (236814).

2⁹⁴¹⁶³⁹ is an apocalyptic number.

941639 is a deficient number, since it is larger than the sum of its proper divisors (5617).

941639 is a wasteful number, since it uses less digits than its factorization.

941639 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5616.

The product of its digits is 5832, while the sum is 32.

The square root of 941639 is about 970.3808530675. The cubic root of 941639 is about 98.0155119136.

The spelling of 941639 in words is "nine hundred forty-one thousand, six hundred thirty-nine".