3490780 has 24 divisors (see below), whose sum is σ = 7762608. Its totient is φ = 1314048.

The previous prime is 3490777. The next prime is 3490789. The reversal of 3490780 is 870943.

It is a happy number.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3490789) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4794 + ... + 5473.

It is an arithmetic number, because the mean of its divisors is an integer number (323442).

Almost surely, 2^3490780 is an apocalyptic number.

It is an amenable number.

3490780 is an abundant number, since it is smaller than the sum of its proper divisors (4271828).

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

3490780 is a wasteful number, since it uses less digits than its factorization.

3490780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10293 (or 10291 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 3490780 is about 1868.3629197776. The cubic root of 3490780 is about 151.6960106381.

The spelling of 3490780 in words is "three million, four hundred ninety thousand, seven hundred eighty".