1936490 has 8 divisors (see below), whose sum is σ = 3485700. Its totient is φ = 774592.

The previous prime is 1936489. The next prime is 1936511. The reversal of 1936490 is 946391.

It can be written as a sum of positive squares in 2 ways, for example, as 1760929 + 175561 = 1327^2 + 419^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 96815 + ... + 96834.

2^1936490 is an apocalyptic number.

1936490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1936490 is a deficient number, since it is larger than the sum of its proper divisors (1549210).

1936490 is a wasteful number, since it uses less digits than its factorization.

1936490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 193656.

The product of its (nonzero) digits is 5832, while the sum is 32.

The square root of 1936490 is about 1391.5782407037. The cubic root of 1936490 is about 124.6441076869.

Subtracting from 1936490 its reverse (946391), we obtain a palindrome (990099).

The spelling of 1936490 in words is "one million, nine hundred thirty-six thousand, four hundred ninety".