1629942 has 8 divisors (see below), whose sum is σ = 3259896. Its totient is φ = 543312.

The previous prime is 1629937. The next prime is 1629983. The reversal of 1629942 is 2499261.

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

1629942 is an admirable number.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 135823 + ... + 135834.

It is an arithmetic number, because the mean of its divisors is an integer number (407487).

2^1629942 is an apocalyptic number.

1629942 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1629942 is a wasteful number, since it uses less digits than its factorization.

1629942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 271662.

The product of its digits is 7776, while the sum is 33.

The square root of 1629942 is about 1276.6918187253. The cubic root of 1629942 is about 117.6857962926.

The spelling of 1629942 in words is "one million, six hundred twenty-nine thousand, nine hundred forty-two".