1400873 has 2 divisors, whose sum is σ = 1400874. Its totient is φ = 1400872.

The previous prime is 1400863. The next prime is 1400879. The reversal of 1400873 is 3780041.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1315609 + 85264 = 1147^2 + 292^2 .

It is an emirp because it is prime and its reverse (3780041) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1400873 - 2⁶ = 1400809 is a prime.

It is a nialpdrome in base 11.

It is not a weakly prime, because it can be changed into another prime (1400879) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 700436 + 700437.

It is an arithmetic number, because the mean of its divisors is an integer number (700437).

2^1400873 is an apocalyptic number.

It is an amenable number.

1400873 is a deficient number, since it is larger than the sum of its proper divisors (1).

1400873 is an equidigital number, since it uses as much as digits as its factorization.

1400873 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 672, while the sum is 23.

The square root of 1400873 is about 1183.5848089596. The cubic root of 1400873 is about 111.8921421253.

The spelling of 1400873 in words is "one million, four hundred thousand, eight hundred seventy-three".