3474649 has 4 divisors (see below), whose sum is σ = 3513780. Its totient is φ = 3435520.

The previous prime is 3474643. The next prime is 3474659. The reversal of 3474649 is 9464743.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2082249 + 1392400 = 1443^2 + 1180^2 .

It is a cyclic number.

It is not a de Polignac number, because 3474649 - 2³ = 3474641 is a prime.

It is a d-powerful number, because it can be written as 3¹³ + 4⁶ + 7⁷ + 4⁶ + 6 + 4¹⁰ + 9 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3474641) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19432 + ... + 19609.

It is an arithmetic number, because the mean of its divisors is an integer number (878445).

Almost surely, 2^3474649 is an apocalyptic number.

It is an amenable number.

3474649 is a deficient number, since it is larger than the sum of its proper divisors (39131).

3474649 is an equidigital number, since it uses as much as digits as its factorization.

3474649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39130.

The product of its digits is 72576, while the sum is 37.

The square root of 3474649 is about 1864.0410403207. The cubic root of 3474649 is about 151.4619858368.

It can be divided in two parts, 3474 and 649, that multiplied together give a triangular number (2254626 = T₂₁₂₃).

The spelling of 3474649 in words is "three million, four hundred seventy-four thousand, six hundred forty-nine".