1906330 has 8 divisors (see below), whose sum is σ = 3431412. Its totient is φ = 762528.

The previous prime is 1906321. The next prime is 1906337. The reversal of 1906330 is 336091.

It can be written as a sum of positive squares in 2 ways, for example, as 1896129 + 10201 = 1377^2 + 101^2 .

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

It is not an unprimeable number, because it can be changed into a prime (1906337) by changing a digit.

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, 95307 + ... + 95326.

2^1906330 is an apocalyptic number.

1906330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1906330 is a deficient number, since it is larger than the sum of its proper divisors (1525082).

1906330 is a wasteful number, since it uses less digits than its factorization.

1906330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190640.

The product of its (nonzero) digits is 486, while the sum is 22.

The square root of 1906330 is about 1380.6990982832. The cubic root of 1906330 is about 123.9936261032.

The spelling of 1906330 in words is "one million, nine hundred six thousand, three hundred thirty".