3040740 has 60 divisors (see below), whose sum is σ = 9543996. Its totient is φ = 810432.

The previous prime is 3040733. The next prime is 3040753. The reversal of 3040740 is 470403.

It can be written as a sum of positive squares in 2 ways, for example, as 1498176 + 1542564 = 1224^2 + 1242^2 .

It is a tau number, because it is divible by the number of its divisors (60).

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

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 682 + ... + 2558.

Almost surely, 2^3040740 is an apocalyptic number.

3040740 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3040740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4771998).

3040740 is an abundant number, since it is smaller than the sum of its proper divisors (6503256).

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

3040740 is a wasteful number, since it uses less digits than its factorization.

3040740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1898 (or 1887 counting only the distinct ones).

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

The square root of 3040740 is about 1743.7717740576. The cubic root of 3040740 is about 144.8748821603.

The spelling of 3040740 in words is "three million, forty thousand, seven hundred forty".