2927864 has 8 divisors (see below), whose sum is σ = 5489760. Its totient is φ = 1463928.

The previous prime is 2927863. The next prime is 2927867. The reversal of 2927864 is 4687292.

It is a tau number, because it is divible by the number of its divisors (8).

It is a d-powerful number, because it can be written as 2⁷ + 9⁴ + 2²¹ + 7⁷ + 8 + 6³ + 4⁴ .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2927861) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 182984 + ... + 182999.

It is an arithmetic number, because the mean of its divisors is an integer number (686220).

2^2927864 is an apocalyptic number.

It is an amenable number.

2927864 is a deficient number, since it is larger than the sum of its proper divisors (2561896).

2927864 is a wasteful number, since it uses less digits than its factorization.

2927864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 365989 (or 365985 counting only the distinct ones).

The product of its digits is 48384, while the sum is 38.

The square root of 2927864 is about 1711.1002308456. The cubic root of 2927864 is about 143.0595868842.

The spelling of 2927864 in words is "two million, nine hundred twenty-seven thousand, eight hundred sixty-four".