3490386490 has 16 divisors (see below), whose sum is σ = 6452498952. Its totient is φ = 1358420544.

The previous prime is 3490386481. The next prime is 3490386491. The reversal of 3490386490 is 946830943.

It can be written as a sum of positive squares in 4 ways, for example, as 3485603521 + 4782969 = 59039^2 + 2187^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 3490386490.

It is not an unprimeable number, because it can be changed into a prime (3490386491) 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, 4716369 + ... + 4717108.

Almost surely, 2^3490386490 is an apocalyptic number.

3490386490 is a deficient number, since it is larger than the sum of its proper divisors (2962112462).

3490386490 is a wasteful number, since it uses less digits than its factorization.

3490386490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9433521.

The product of its (nonzero) digits is 559872, while the sum is 46.

The square root of 3490386490 is about 59079.4929734506. The cubic root of 3490386490 is about 1516.9031027497.

The spelling of 3490386490 in words is "three billion, four hundred ninety million, three hundred eighty-six thousand, four hundred ninety".