4205740 has 48 divisors (see below), whose sum is σ = 11015424. Its totient is φ = 1310400.

The previous prime is 4205737. The next prime is 4205743. The reversal of 4205740 is 475024.

It is an interprime number because it is at equal distance from previous prime (4205737) and next prime (4205743).

It is a Harshad number since it is a multiple of its sum of digits (22).

It is not an unprimeable number, because it can be changed into a prime (4205743) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 175 + ... + 2905.

It is an arithmetic number, because the mean of its divisors is an integer number (229488).

Almost surely, 2^4205740 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 4205740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5507712).

4205740 is an abundant number, since it is smaller than the sum of its proper divisors (6809684).

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

4205740 is a wasteful number, since it uses less digits than its factorization.

4205740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2758 (or 2756 counting only the distinct ones).

The product of its (nonzero) digits is 1120, while the sum is 22.

The square root of 4205740 is about 2050.7900916476. The cubic root of 4205740 is about 161.4163317825.

The spelling of 4205740 in words is "four million, two hundred five thousand, seven hundred forty".