1400671 has 4 divisors (see below), whose sum is σ = 1449000. Its totient is φ = 1352344.

The previous prime is 1400669. The next prime is 1400687. The reversal of 1400671 is 1760041.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1760041 = 79 ⋅22279.

It is a cyclic number.

It is not a de Polignac number, because 1400671 - 2¹ = 1400669 is a prime.

It is an Ulam number.

It is a Duffinian number.

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 (1404671) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24121 + ... + 24178.

It is an arithmetic number, because the mean of its divisors is an integer number (362250).

2^1400671 is an apocalyptic number.

1400671 is a deficient number, since it is larger than the sum of its proper divisors (48329).

1400671 is an equidigital number, since it uses as much as digits as its factorization.

1400671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48328.

The product of its (nonzero) digits is 168, while the sum is 19.

The square root of 1400671 is about 1183.4994719052. The cubic root of 1400671 is about 111.8867637412.

The spelling of 1400671 in words is "one million, four hundred thousand, six hundred seventy-one".