2649907 has 8 divisors (see below), whose sum is σ = 2915136. Its totient is φ = 2393472.

The previous prime is 2649893. The next prime is 2649923. The reversal of 2649907 is 7099462.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2649907 is a prime.

It is a d-powerful number, because it can be written as 2³ + 6⁸ + 4⁹ + 9⁵ + 9⁶ + 0 + 7⁶ .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2649967) 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, 1558 + ... + 2779.

It is an arithmetic number, because the mean of its divisors is an integer number (364392).

2^2649907 is an apocalyptic number.

2649907 is a deficient number, since it is larger than the sum of its proper divisors (265229).

2649907 is a wasteful number, since it uses less digits than its factorization.

2649907 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4397.

The product of its (nonzero) digits is 27216, while the sum is 37.

The square root of 2649907 is about 1627.8534946364. The cubic root of 2649907 is about 138.3811315284.

The spelling of 2649907 in words is "two million, six hundred forty-nine thousand, nine hundred seven".