2649946 has 8 divisors (see below), whose sum is σ = 4280724. Its totient is φ = 1223040.

The previous prime is 2649931. The next prime is 2649967. The reversal of 2649946 is 6499462.

It can be written as a sum of positive squares in 2 ways, for example, as 1946025 + 703921 = 1395^2 + 839^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 2649899 and 2649908.

It is a congruent number.

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, 50935 + ... + 50986.

2^2649946 is an apocalyptic number.

2649946 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

2649946 is a deficient number, since it is larger than the sum of its proper divisors (1630778).

2649946 is a wasteful number, since it uses less digits than its factorization.

2649946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101936.

The product of its digits is 93312, while the sum is 40.

The square root of 2649946 is about 1627.8654735573. The cubic root of 2649946 is about 138.3818103998.

The spelling of 2649946 in words is "two million, six hundred forty-nine thousand, nine hundred forty-six".