2921012 has 6 divisors (see below), whose sum is σ = 5111778. Its totient is φ = 1460504.

The previous prime is 2920987. The next prime is 2921027. The reversal of 2921012 is 2101292.

It can be written as a sum of positive squares in only one way, i.e., 1948816 + 972196 = 1396^2 + 986^2 .

It is a super-2 number, since 2×2921012² = 17064622208288, which contains 22 as substring.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 365123 + ... + 365130.

It is an arithmetic number, because the mean of its divisors is an integer number (851963).

2^2921012 is an apocalyptic number.

It is an amenable number.

2921012 is a deficient number, since it is larger than the sum of its proper divisors (2190766).

2921012 is a wasteful number, since it uses less digits than its factorization.

2921012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 730257 (or 730255 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 17.

The square root of 2921012 is about 1709.0968375139. The cubic root of 2921012 is about 142.9479002342.

The spelling of 2921012 in words is "two million, nine hundred twenty-one thousand, twelve".