1400741 has 4 divisors (see below), whose sum is σ = 1430592. Its totient is φ = 1370892.

The previous prime is 1400731. The next prime is 1400747. The reversal of 1400741 is 1470041.

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 a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1400741 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a nialpdrome in base 11.

It is a zygodrome in base 4.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1400747) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 14855 + ... + 14948.

It is an arithmetic number, because the mean of its divisors is an integer number (357648).

2^1400741 is an apocalyptic number.

It is an amenable number.

1400741 is a deficient number, since it is larger than the sum of its proper divisors (29851).

1400741 is an equidigital number, since it uses as much as digits as its factorization.

1400741 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29850.

The product of its (nonzero) digits is 112, while the sum is 17.

The square root of 1400741 is about 1183.5290448485. The cubic root of 1400741 is about 111.8886275962. Note that the first 3 decimals are identical.

Adding to 1400741 its reverse (1470041), we get a palindrome (2870782).

The spelling of 1400741 in words is "one million, four hundred thousand, seven hundred forty-one".