1629396 has 60 divisors (see below), whose sum is σ = 4390848. Its totient is φ = 526608.

The previous prime is 1629377. The next prime is 1629409. The reversal of 1629396 is 6939261.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 1629396.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 15175 + ... + 15281.

2^1629396 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1629396, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2195424).

1629396 is an abundant number, since it is smaller than the sum of its proper divisors (2761452).

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

1629396 is a wasteful number, since it uses less digits than its factorization.

1629396 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170 (or 159 counting only the distinct ones).

The product of its digits is 17496, while the sum is 36.

The square root of 1629396 is about 1276.4779669074. The cubic root of 1629396 is about 117.6726539802.

It can be divided in two parts, 1629 and 396, that added together give a square (2025 = 45²).

The spelling of 1629396 in words is "one million, six hundred twenty-nine thousand, three hundred ninety-six".