1401917 has 4 divisors (see below), whose sum is σ = 1529376. Its totient is φ = 1274460.

The previous prime is 1401857. The next prime is 1401937. The reversal of 1401917 is 7191041.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 1401917 - 2¹⁸ = 1139773 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1401892 and 1401901.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1401937) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 63713 + ... + 63734.

It is an arithmetic number, because the mean of its divisors is an integer number (382344).

2^1401917 is an apocalyptic number.

It is an amenable number.

1401917 is a deficient number, since it is larger than the sum of its proper divisors (127459).

1401917 is a wasteful number, since it uses less digits than its factorization.

1401917 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127458.

The product of its (nonzero) digits is 252, while the sum is 23.

The square root of 1401917 is about 1184.0257598549. The cubic root of 1401917 is about 111.9199310801.

Adding to 1401917 its reverse (7191041), we get a palindrome (8592958).

The spelling of 1401917 in words is "one million, four hundred one thousand, nine hundred seventeen".