3649019 has 8 divisors (see below), whose sum is σ = 4154112. Its totient is φ = 3172840.

The previous prime is 3649003. The next prime is 3649027. The reversal of 3649019 is 9109463.

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

It is not a de Polignac number, because 3649019 - 2⁴ = 3649003 is a prime.

It is a super-2 number, since 2×3649019² = 26630679324722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3649049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6959 + ... + 7464.

It is an arithmetic number, because the mean of its divisors is an integer number (519264).

Almost surely, 2^3649019 is an apocalyptic number.

3649019 is a deficient number, since it is larger than the sum of its proper divisors (505093).

3649019 is a wasteful number, since it uses less digits than its factorization.

3649019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14457.

The product of its (nonzero) digits is 5832, while the sum is 32.

The square root of 3649019 is about 1910.2405607672. The cubic root of 3649019 is about 153.9543773328.

Adding to 3649019 its sum of digits (32), we get a triangular number (3649051 = T₂₇₀₁).

The spelling of 3649019 in words is "three million, six hundred forty-nine thousand, nineteen".