4202940 has 48 divisors (see below), whose sum is σ = 13450752. Its totient is φ = 960576.

The previous prime is 4202929. The next prime is 4202959. The reversal of 4202940 is 492024.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4584 + ... + 5423.

It is an arithmetic number, because the mean of its divisors is an integer number (280224).

Almost surely, 2^4202940 is an apocalyptic number.

It is an amenable number.

4202940 is an abundant number, since it is smaller than the sum of its proper divisors (9247812).

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

4202940 is a wasteful number, since it uses less digits than its factorization.

4202940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10026 (or 10024 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 4202940 is about 2050.1073142643. The cubic root of 4202940 is about 161.3805024901.

Adding to 4202940 its reverse (492024), we get a palindrome (4694964).

The spelling of 4202940 in words is "four million, two hundred two thousand, nine hundred forty".