2159494 has 8 divisors (see below), whose sum is σ = 3278520. Its totient is φ = 1066656.

The previous prime is 2159473. The next prime is 2159497. The reversal of 2159494 is 4949512.

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 (2159497) 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, 6339 + ... + 6670.

It is an arithmetic number, because the mean of its divisors is an integer number (409815).

2^2159494 is an apocalyptic number.

2159494 is a deficient number, since it is larger than the sum of its proper divisors (1119026).

2159494 is a wasteful number, since it uses less digits than its factorization.

2159494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13094.

The product of its digits is 12960, while the sum is 34.

The square root of 2159494 is about 1469.5216908913. The cubic root of 2159494 is about 129.2559866881.

It can be divided in two parts, 215 and 9494, that multiplied together give a triangular number (2041210 = T₂₀₂₀).

The spelling of 2159494 in words is "two million, one hundred fifty-nine thousand, four hundred ninety-four".