1938620 has 12 divisors (see below), whose sum is σ = 4071144. Its totient is φ = 775440.

The previous prime is 1938617. The next prime is 1938623. The reversal of 1938620 is 268391.

It is an interprime number because it is at equal distance from previous prime (1938617) and next prime (1938623).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1938623) 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, 48446 + ... + 48485.

It is an arithmetic number, because the mean of its divisors is an integer number (339262).

2^1938620 is an apocalyptic number.

1938620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1938620 is an abundant number, since it is smaller than the sum of its proper divisors (2132524).

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

1938620 is a wasteful number, since it uses less digits than its factorization.

1938620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96940 (or 96938 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 29.

The square root of 1938620 is about 1392.3433484597. The cubic root of 1938620 is about 124.6897907988.

The spelling of 1938620 in words is "one million, nine hundred thirty-eight thousand, six hundred twenty".