2591394 has 16 divisors (see below), whose sum is σ = 5581632. Its totient is φ = 797328.

The previous prime is 2591389. The next prime is 2591401. The reversal of 2591394 is 4931952.

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, 16534 + ... + 16689.

It is an arithmetic number, because the mean of its divisors is an integer number (348852).

2^2591394 is an apocalyptic number.

2591394 is an abundant number, since it is smaller than the sum of its proper divisors (2990238).

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

2591394 is a wasteful number, since it uses less digits than its factorization.

2591394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33241.

The product of its digits is 9720, while the sum is 33.

The square root of 2591394 is about 1609.7807304102. The cubic root of 2591394 is about 137.3550030740.

It can be divided in two parts, 259 and 1394, that added together give a triangular number (1653 = T₅₇).

The spelling of 2591394 in words is "two million, five hundred ninety-one thousand, three hundred ninety-four".