2861492 has 6 divisors (see below), whose sum is σ = 5007618. Its totient is φ = 1430744.

The previous prime is 2861483. The next prime is 2861497. The reversal of 2861492 is 2941682.

It can be written as a sum of positive squares in only one way, i.e., 2149156 + 712336 = 1466^2 + 844^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2861497) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 357683 + ... + 357690.

It is an arithmetic number, because the mean of its divisors is an integer number (834603).

2^2861492 is an apocalyptic number.

It is an amenable number.

2861492 is a deficient number, since it is larger than the sum of its proper divisors (2146126).

2861492 is a wasteful number, since it uses less digits than its factorization.

2861492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 715377 (or 715375 counting only the distinct ones).

The product of its digits is 6912, while the sum is 32.

The square root of 2861492 is about 1691.5945140606. The cubic root of 2861492 is about 141.9703039138.

The spelling of 2861492 in words is "two million, eight hundred sixty-one thousand, four hundred ninety-two".