2091502 has 8 divisors (see below), whose sum is σ = 3585456. Its totient is φ = 896352.

The previous prime is 2091497. The next prime is 2091503. The reversal of 2091502 is 2051902.

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

It is a self number, because there is not a number n which added to its sum of digits gives 2091502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2091503) 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, 74683 + ... + 74710.

It is an arithmetic number, because the mean of its divisors is an integer number (448182).

2^2091502 is an apocalyptic number.

2091502 is a deficient number, since it is larger than the sum of its proper divisors (1493954).

2091502 is a wasteful number, since it uses less digits than its factorization.

2091502 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149402.

The product of its (nonzero) digits is 180, while the sum is 19.

The square root of 2091502 is about 1446.2026137440. The cubic root of 2091502 is about 127.8849470713.

It can be divided in two parts, 209 and 1502, that added together give a triangular number (1711 = T₅₈).

The spelling of 2091502 in words is "two million, ninety-one thousand, five hundred two".