1676401 has 6 divisors (see below), whose sum is σ = 1753010. Its totient is φ = 1603008.

The previous prime is 1676393. The next prime is 1676413. The reversal of 1676401 is 1046761.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 1600225 + 76176 = 1265^2 + 276^2 .

It is not a de Polignac number, because 1676401 - 2³ = 1676393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1676431) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1056 + ... + 2113.

2^1676401 is an apocalyptic number.

It is an amenable number.

1676401 is a deficient number, since it is larger than the sum of its proper divisors (76609).

1676401 is an equidigital number, since it uses as much as digits as its factorization.

1676401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3215 (or 3192 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 25.

The square root of 1676401 is about 1294.7590509435. The cubic root of 1676401 is about 118.7934887807.

The spelling of 1676401 in words is "one million, six hundred seventy-six thousand, four hundred one".