3490426 has 4 divisors (see below), whose sum is σ = 5235642. Its totient is φ = 1745212.

The previous prime is 3490393. The next prime is 3490427. The reversal of 3490426 is 6240943.

3490426 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6240943 = 1439 ⋅4337.

It can be written as a sum of positive squares in only one way, i.e., 3367225 + 123201 = 1835^2 + 351^2 .

It is a super-2 number, since 2×3490426² = 24366147322952, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3490394 and 3490403.

It is not an unprimeable number, because it can be changed into a prime (3490427) by changing a digit.

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 as a sum of consecutive naturals, namely, 872605 + ... + 872608.

Almost surely, 2^3490426 is an apocalyptic number.

3490426 is a deficient number, since it is larger than the sum of its proper divisors (1745216).

3490426 is a wasteful number, since it uses less digits than its factorization.

3490426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1745215.

The product of its (nonzero) digits is 5184, while the sum is 28.

The square root of 3490426 is about 1868.2681820338. The cubic root of 3490426 is about 151.6908826339.

It can be divided in two parts, 3490 and 426, that added together give a triangular number (3916 = T₈₈).

The spelling of 3490426 in words is "three million, four hundred ninety thousand, four hundred twenty-six".