3478690 has 16 divisors (see below), whose sum is σ = 6292728. Its totient is φ = 1384576.

The previous prime is 3478687. The next prime is 3478697. The reversal of 3478690 is 968743.

It can be written as a sum of positive squares in 4 ways, for example, as 2920681 + 558009 = 1709^2 + 747^2 .

It is a super-2 number, since 2×3478690² = 24202568232200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3478697) 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, 1584 + ... + 3076.

Almost surely, 2^3478690 is an apocalyptic number.

3478690 is a deficient number, since it is larger than the sum of its proper divisors (2814038).

3478690 is a wasteful number, since it uses less digits than its factorization.

3478690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1733.

The product of its (nonzero) digits is 36288, while the sum is 37.

The square root of 3478690 is about 1865.1246607131. The cubic root of 3478690 is about 151.5206796084.

The spelling of 3478690 in words is "three million, four hundred seventy-eight thousand, six hundred ninety".