1938354 has 32 divisors (see below), whose sum is σ = 4333824. Its totient is φ = 572880.

The previous prime is 1938317. The next prime is 1938359. The reversal of 1938354 is 4538391.

It is a super-5 number, since 5×1938354⁵ (a number of 33 digits) contains 55555 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1938359) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2497 + ... + 3179.

It is an arithmetic number, because the mean of its divisors is an integer number (135432).

2^1938354 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1938354, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2166912).

1938354 is an abundant number, since it is smaller than the sum of its proper divisors (2395470).

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

1938354 is a wasteful number, since it uses less digits than its factorization.

1938354 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 742.

The product of its digits is 12960, while the sum is 33.

The square root of 1938354 is about 1392.2478227672. The cubic root of 1938354 is about 124.6840876008.

The spelling of 1938354 in words is "one million, nine hundred thirty-eight thousand, three hundred fifty-four".