3490740 has 144 divisors (see below), whose sum is σ = 12108096. Its totient is φ = 806400.

The previous prime is 3490727. The next prime is 3490769. The reversal of 3490740 is 470943.

3490740 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 81159 + ... + 81201.

It is an arithmetic number, because the mean of its divisors is an integer number (84084).

Almost surely, 2^3490740 is an apocalyptic number.

3490740 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 3490740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6054048).

3490740 is an abundant number, since it is smaller than the sum of its proper divisors (8617356).

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

3490740 is a wasteful number, since it uses less digits than its factorization.

3490740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110 (or 105 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 27.

The square root of 3490740 is about 1868.3522151886. The cubic root of 3490740 is about 151.6954312199.

The spelling of 3490740 in words is "three million, four hundred ninety thousand, seven hundred forty".