4030740 has 108 divisors (see below), whose sum is σ = 14253876. Its totient is φ = 919296.

The previous prime is 4030709. The next prime is 4030757. The reversal of 4030740 is 470304.

It can be written as a sum of positive squares in 2 ways, for example, as 2547216 + 1483524 = 1596^2 + 1218^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 8592 + ... + 9048.

Almost surely, 2^4030740 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 4030740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7126938).

4030740 is an abundant number, since it is smaller than the sum of its proper divisors (10223136).

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

4030740 is a wasteful number, since it uses less digits than its factorization.

4030740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 486 (or 474 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 18.

The square root of 4030740 is about 2007.6702916565. The cubic root of 4030740 is about 159.1457071835.

The spelling of 4030740 in words is "four million, thirty thousand, seven hundred forty".