3915009 has 12 divisors (see below), whose sum is σ = 6462976. Its totient is φ = 2237112.

The previous prime is 3914987. The next prime is 3915013. The reversal of 3915009 is 9005193.

It is not a de Polignac number, because 3915009 - 2¹² = 3910913 is a prime.

It is a Duffinian number.

3915009 is a lucky number.

It is a plaindrome in base 11.

It is not an unprimeable number, because it can be changed into a prime (3915809) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 31009 + ... + 31134.

Almost surely, 2^3915009 is an apocalyptic number.

It is an amenable number.

3915009 is a deficient number, since it is larger than the sum of its proper divisors (2547967).

3915009 is a wasteful number, since it uses less digits than its factorization.

3915009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62156 (or 62153 counting only the distinct ones).

The product of its (nonzero) digits is 1215, while the sum is 27.

The square root of 3915009 is about 1978.6381680338. The cubic root of 3915009 is about 157.6077569468.

The spelling of 3915009 in words is "three million, nine hundred fifteen thousand, nine".