3498730 has 16 divisors (see below), whose sum is σ = 6335784. Its totient is φ = 1391040.

The previous prime is 3498709. The next prime is 3498739. The reversal of 3498730 is 378943.

It can be written as a sum of positive squares in 4 ways, for example, as 2007889 + 1490841 = 1417^2 + 1221^2 .

It is a super-3 number, since 3×3498730³ (a number of 21 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (3498739) 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, 844 + ... + 2776.

Almost surely, 2^3498730 is an apocalyptic number.

3498730 is a deficient number, since it is larger than the sum of its proper divisors (2837054).

3498730 is a wasteful number, since it uses less digits than its factorization.

3498730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2121.

The product of its (nonzero) digits is 18144, while the sum is 34.

The square root of 3498730 is about 1870.4892408138. The cubic root of 3498730 is about 151.8110822388.

The spelling of 3498730 in words is "three million, four hundred ninety-eight thousand, seven hundred thirty".