1935381 has 16 divisors (see below), whose sum is σ = 3078144. Its totient is φ = 1057584.

The previous prime is 1935379. The next prime is 1935383. The reversal of 1935381 is 1835391.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1935379) and next prime (1935383).

It is not a de Polignac number, because 1935381 - 2¹ = 1935379 is a prime.

It is a super-2 number, since 2×1935381² = 7491399230322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1935383) 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, 1521 + ... + 2486.

It is an arithmetic number, because the mean of its divisors is an integer number (192384).

2^1935381 is an apocalyptic number.

It is an amenable number.

1935381 is a deficient number, since it is larger than the sum of its proper divisors (1142763).

1935381 is a wasteful number, since it uses less digits than its factorization.

1935381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4040.

The product of its digits is 3240, while the sum is 30.

The square root of 1935381 is about 1391.1797152058. The cubic root of 1935381 is about 124.6203091801.

The spelling of 1935381 in words is "one million, nine hundred thirty-five thousand, three hundred eighty-one".