4193940 has 24 divisors (see below), whose sum is σ = 11743200. Its totient is φ = 1118368.

The previous prime is 4193939. The next prime is 4193957. The reversal of 4193940 is 493914.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a nialpdrome in base 4.

It is a junction number, because it is equal to n+sod(n) for n = 4193898 and 4193907.

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, 34890 + ... + 35009.

It is an arithmetic number, because the mean of its divisors is an integer number (489300).

Almost surely, 2^4193940 is an apocalyptic number.

It is an amenable number.

4193940 is an abundant number, since it is smaller than the sum of its proper divisors (7549260).

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

4193940 is a wasteful number, since it uses less digits than its factorization.

4193940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69911 (or 69909 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 30.

The square root of 4193940 is about 2047.9111308843. The cubic root of 4193940 is about 161.2652290166.

The spelling of 4193940 in words is "four million, one hundred ninety-three thousand, nine hundred forty".