2152678 has 8 divisors (see below), whose sum is σ = 3522600. Its totient is φ = 978480.

The previous prime is 2152669. The next prime is 2152679. The reversal of 2152678 is 8762512.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2152679) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48903 + ... + 48946.

It is an arithmetic number, because the mean of its divisors is an integer number (440325).

2^2152678 is an apocalyptic number.

2152678 is a deficient number, since it is larger than the sum of its proper divisors (1369922).

2152678 is a wasteful number, since it uses less digits than its factorization.

2152678 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97862.

The product of its digits is 6720, while the sum is 31.

The square root of 2152678 is about 1467.2007360958. The cubic root of 2152678 is about 129.1198533560.

It can be divided in two parts, 21526 and 78, that multiplied together give a triangular number (1679028 = T₁₈₃₂).

The spelling of 2152678 in words is "two million, one hundred fifty-two thousand, six hundred seventy-eight".