2049542 has 16 divisors (see below), whose sum is σ = 3412800. Its totient is φ = 915240.

The previous prime is 2049533. The next prime is 2049547. The reversal of 2049542 is 2459402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2049547) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 509 + ... + 2087.

It is an arithmetic number, because the mean of its divisors is an integer number (213300).

2^2049542 is an apocalyptic number.

2049542 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2049542 is a deficient number, since it is larger than the sum of its proper divisors (1363258).

2049542 is a wasteful number, since it uses less digits than its factorization.

2049542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1651.

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 2049542 is about 1431.6221568556. The cubic root of 2049542 is about 127.0239481984.

The spelling of 2049542 in words is "two million, forty-nine thousand, five hundred forty-two".