3498820 has 24 divisors (see below), whose sum is σ = 7913304. Its totient is φ = 1291776.

The previous prime is 3498811. The next prime is 3498823. The reversal of 3498820 is 288943.

It can be written as a sum of positive squares in 4 ways, for example, as 835396 + 2663424 = 914^2 + 1632^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3498823) 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, 6469 + ... + 6988.

It is an arithmetic number, because the mean of its divisors is an integer number (329721).

Almost surely, 2^3498820 is an apocalyptic number.

It is an amenable number.

3498820 is an abundant number, since it is smaller than the sum of its proper divisors (4414484).

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

3498820 is a wasteful number, since it uses less digits than its factorization.

3498820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13479 (or 13477 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 34.

The square root of 3498820 is about 1870.5132985360. The cubic root of 3498820 is about 151.8123839379.

The spelling of 3498820 in words is "three million, four hundred ninety-eight thousand, eight hundred twenty".