2921896 has 32 divisors (see below), whose sum is σ = 5904000. Its totient is φ = 1351296.

The previous prime is 2921881. The next prime is 2921899. The reversal of 2921896 is 6981292.

2921896 = T₃₇₃ + T₃₇₄ + ... + T₄₁₀.

It is an alternating number because its digits alternate between even and odd.

It is not an unprimeable number, because it can be changed into a prime (2921899) 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, 6940 + ... + 7348.

It is an arithmetic number, because the mean of its divisors is an integer number (184500).

2^2921896 is an apocalyptic number.

It is an amenable number.

2921896 is an abundant number, since it is smaller than the sum of its proper divisors (2982104).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2921896 is a wasteful number, since it uses less digits than its factorization.

2921896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 481 (or 477 counting only the distinct ones).

The product of its digits is 15552, while the sum is 37.

The square root of 2921896 is about 1709.3554340745. The cubic root of 2921896 is about 142.9623191181.

The spelling of 2921896 in words is "two million, nine hundred twenty-one thousand, eight hundred ninety-six".