1950140 has 24 divisors (see below), whose sum is σ = 4121712. Its totient is φ = 775040.

The previous prime is 1950139. The next prime is 1950149. The reversal of 1950140 is 410591.

1950140 = 201² + 202² + ... + 240².

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1950149) 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, 5447 + ... + 5793.

It is an arithmetic number, because the mean of its divisors is an integer number (171738).

2^1950140 is an apocalyptic number.

1950140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1950140 is an abundant number, since it is smaller than the sum of its proper divisors (2171572).

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

1950140 is a wasteful number, since it uses less digits than its factorization.

1950140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 637 (or 635 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 20.

The square root of 1950140 is about 1396.4741315184. The cubic root of 1950140 is about 124.9362875313.

The spelling of 1950140 in words is "one million, nine hundred fifty thousand, one hundred forty".