2981908 has 6 divisors (see below), whose sum is σ = 5218346. Its totient is φ = 1490952.

The previous prime is 2981903. The next prime is 2981911. The reversal of 2981908 is 8091892.

It can be written as a sum of positive squares in only one way, i.e., 2256004 + 725904 = 1502^2 + 852^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2981903) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 372735 + ... + 372742.

2^2981908 is an apocalyptic number.

It is an amenable number.

2981908 is a deficient number, since it is larger than the sum of its proper divisors (2236438).

2981908 is a wasteful number, since it uses less digits than its factorization.

2981908 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 745481 (or 745479 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 37.

The square root of 2981908 is about 1726.8201990943. The cubic root of 2981908 is about 143.9344480445.

The spelling of 2981908 in words is "two million, nine hundred eighty-one thousand, nine hundred eight".