1642050 has 72 divisors (see below), whose sum is σ = 4570020. Its totient is φ = 422400.

The previous prime is 1642049. The next prime is 1642051. The reversal of 1642050 is 502461.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1642049) and next prime (1642051).

It can be written as a sum of positive squares in 6 ways, for example, as 62001 + 1580049 = 249^2 + 1257^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1642051) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 18406 + ... + 18494.

2^1642050 is an apocalyptic number.

1642050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1642050, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2285010).

1642050 is an abundant number, since it is smaller than the sum of its proper divisors (2927970).

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

1642050 is a wasteful number, since it uses less digits than its factorization.

1642050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148 (or 140 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 1642050 is about 1281.4249880504. The cubic root of 1642050 is about 117.9764867446.

The spelling of 1642050 in words is "one million, six hundred forty-two thousand, fifty".