2651928 has 32 divisors (see below), whose sum is σ = 6773760. Its totient is φ = 864800.

The previous prime is 2651911. The next prime is 2651947. The reversal of 2651928 is 8291562.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48 + ... + 2303.

It is an arithmetic number, because the mean of its divisors is an integer number (211680).

2^2651928 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2651928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3386880).

2651928 is an abundant number, since it is smaller than the sum of its proper divisors (4121832).

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

2651928 is a wasteful number, since it uses less digits than its factorization.

2651928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2407 (or 2403 counting only the distinct ones).

The product of its digits is 8640, while the sum is 33.

The square root of 2651928 is about 1628.4741324320. The cubic root of 2651928 is about 138.4163022217.

The spelling of 2651928 in words is "two million, six hundred fifty-one thousand, nine hundred twenty-eight".