3649474 has 8 divisors (see below), whose sum is σ = 5577660. Its totient is φ = 1790256.

The previous prime is 3649469. The next prime is 3649487. The reversal of 3649474 is 4749463.

It can be written as a sum of positive squares in 2 ways, for example, as 3629025 + 20449 = 1905^2 + 143^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17109 + ... + 17320.

Almost surely, 2^3649474 is an apocalyptic number.

3649474 is a deficient number, since it is larger than the sum of its proper divisors (1928186).

3649474 is a wasteful number, since it uses less digits than its factorization.

3649474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34484.

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

The square root of 3649474 is about 1910.3596520027. The cubic root of 3649474 is about 153.9607759777.

The spelling of 3649474 in words is "three million, six hundred forty-nine thousand, four hundred seventy-four".