1930149 has 36 divisors (see below), whose sum is σ = 3197376. Its totient is φ = 1162512.

The previous prime is 1930147. The next prime is 1930177. The reversal of 1930149 is 9410391.

It is not a de Polignac number, because 1930149 - 2¹ = 1930147 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1930147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 41044 + ... + 41090.

It is an arithmetic number, because the mean of its divisors is an integer number (88816).

2^1930149 is an apocalyptic number.

It is an amenable number.

1930149 is a deficient number, since it is larger than the sum of its proper divisors (1267227).

1930149 is an equidigital number, since it uses as much as digits as its factorization.

1930149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88 (or 63 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 27.

The square root of 1930149 is about 1389.2980241834. The cubic root of 1930149 is about 124.5079106601.

The spelling of 1930149 in words is "one million, nine hundred thirty thousand, one hundred forty-nine".