1940245 has 8 divisors (see below), whose sum is σ = 2408760. Its totient is φ = 1498560.

The previous prime is 1940233. The next prime is 1940269. The reversal of 1940245 is 5420491.

It can be written as a sum of positive squares in 4 ways, for example, as 27556 + 1912689 = 166^2 + 1383^2 .

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

It is not a de Polignac number, because 1940245 - 2⁹ = 1939733 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6546 + ... + 6835.

It is an arithmetic number, because the mean of its divisors is an integer number (301095).

2^1940245 is an apocalyptic number.

It is an amenable number.

1940245 is a deficient number, since it is larger than the sum of its proper divisors (468515).

1940245 is a wasteful number, since it uses less digits than its factorization.

1940245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13415.

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 1940245 is about 1392.9267748162. The cubic root of 1940245 is about 124.7246204410.

The spelling of 1940245 in words is "one million, nine hundred forty thousand, two hundred forty-five".