1390041 has 15 divisors (see below), whose sum is σ = 2092453. Its totient is φ = 919620.

The previous prime is 1390027. The next prime is 1390043. The reversal of 1390041 is 1400931.

The square root of 1390041 is 1179.

It is a perfect power (a square), and thus also a powerful number.

It is a de Polignac number, because none of the positive numbers 2^k-1390041 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1389996 and 1390023.

It is not an unprimeable number, because it can be changed into a prime (1390043) by changing a digit.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 10546 + ... + 10676.

2^1390041 is an apocalyptic number.

1390041 is the 1179-th square number.

1390041 is the 590-th centered octagonal number.

It is an amenable number.

1390041 is a deficient number, since it is larger than the sum of its proper divisors (702412).

1390041 is an frugal number, since it uses more digits than its factorization.

1390041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 274 (or 134 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

The cubic root of 1390041 is about 111.6030002662.

Adding to 1390041 its reverse (1400931), we get a palindrome (2790972).

The spelling of 1390041 in words is "one million, three hundred ninety thousand, forty-one".