1945030 has 32 divisors (see below), whose sum is σ = 3823200. Its totient is φ = 709632.

The previous prime is 1945007. The next prime is 1945043. The reversal of 1945030 is 305491.

It is a junction number, because it is equal to n+sod(n) for n = 1944992 and 1945010.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 5334 + ... + 5686.

It is an arithmetic number, because the mean of its divisors is an integer number (119475).

2^1945030 is an apocalyptic number.

1945030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1945030 is a deficient number, since it is larger than the sum of its proper divisors (1878170).

1945030 is a wasteful number, since it uses less digits than its factorization.

1945030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 408.

The product of its (nonzero) digits is 540, while the sum is 22.

The square root of 1945030 is about 1394.6433235778. The cubic root of 1945030 is about 124.8270675319.

The spelling of 1945030 in words is "one million, nine hundred forty-five thousand, thirty".