3501649 has 8 divisors (see below), whose sum is σ = 3585600. Its totient is φ = 3418800.

The previous prime is 3501647. The next prime is 3501679. The reversal of 3501649 is 9461053.

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

It is a cyclic number.

It is not a de Polignac number, because 3501649 - 2¹ = 3501647 is a prime.

It is a Duffinian number.

3501649 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (3501647) 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, 10414 + ... + 10744.

It is an arithmetic number, because the mean of its divisors is an integer number (448200).

Almost surely, 2^3501649 is an apocalyptic number.

It is an amenable number.

3501649 is a deficient number, since it is larger than the sum of its proper divisors (83951).

3501649 is a wasteful number, since it uses less digits than its factorization.

3501649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 551.

The product of its (nonzero) digits is 3240, while the sum is 28.

The square root of 3501649 is about 1871.2693552773. The cubic root of 3501649 is about 151.8532893035.

The spelling of 3501649 in words is "three million, five hundred one thousand, six hundred forty-nine".