1930245 has 8 divisors (see below), whose sum is σ = 3088416. Its totient is φ = 1029456.

The previous prime is 1930237. The next prime is 1930249. The reversal of 1930245 is 5420391.

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

It is not a de Polignac number, because 1930245 - 2³ = 1930237 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1930249) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64327 + ... + 64356.

It is an arithmetic number, because the mean of its divisors is an integer number (386052).

2^1930245 is an apocalyptic number.

1930245 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1930245 is a deficient number, since it is larger than the sum of its proper divisors (1158171).

1930245 is a wasteful number, since it uses less digits than its factorization.

1930245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128691.

The product of its (nonzero) digits is 1080, while the sum is 24.

The square root of 1930245 is about 1389.3325735762. The cubic root of 1930245 is about 124.5099748464.

The spelling of 1930245 in words is "one million, nine hundred thirty thousand, two hundred forty-five".