1995542 has 8 divisors (see below), whose sum is σ = 3015576. Its totient is φ = 990352.

The previous prime is 1995541. The next prime is 1995547. The reversal of 1995542 is 2455991.

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 (1995541) 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, 3368 + ... + 3915.

It is an arithmetic number, because the mean of its divisors is an integer number (376947).

2^1995542 is an apocalyptic number.

1995542 is a deficient number, since it is larger than the sum of its proper divisors (1020034).

1995542 is a wasteful number, since it uses less digits than its factorization.

1995542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7422.

The product of its digits is 16200, while the sum is 35.

The square root of 1995542 is about 1412.6365420730. The cubic root of 1995542 is about 125.8984232154.

The spelling of 1995542 in words is "one million, nine hundred ninety-five thousand, five hundred forty-two".