3490637 has 4 divisors (see below), whose sum is σ = 3494400. Its totient is φ = 3486876.

The previous prime is 3490609. The next prime is 3490639. The reversal of 3490637 is 7360943.

3490637 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 a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 7360943 = 23 ⋅320041.

It is a cyclic number.

It is not a de Polignac number, because 3490637 - 2¹⁰ = 3489613 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3490639) 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 in 3 ways as a sum of consecutive naturals, for example, 614 + ... + 2712.

It is an arithmetic number, because the mean of its divisors is an integer number (873600).

Almost surely, 2^3490637 is an apocalyptic number.

It is an amenable number.

3490637 is a deficient number, since it is larger than the sum of its proper divisors (3763).

3490637 is a wasteful number, since it uses less digits than its factorization.

3490637 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3762.

The product of its (nonzero) digits is 13608, while the sum is 32.

The square root of 3490637 is about 1868.3246505894. The cubic root of 3490637 is about 151.6939391979.

It can be divided in two parts, 34906 and 37, that added together give a palindrome (34943).

The spelling of 3490637 in words is "three million, four hundred ninety thousand, six hundred thirty-seven".