677401 has 4 divisors (see below), whose sum is σ = 682704. Its totient is φ = 672100.

The previous prime is 677387. The next prime is 677423. The reversal of 677401 is 104776.

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 not a de Polignac number, because 677401 - 2¹⁹ = 153113 is a prime.

It is a super-2 number, since 2×677401² = 917744229602, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (677441) 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, 2455 + ... + 2716.

It is an arithmetic number, because the mean of its divisors is an integer number (170676).

2⁶⁷⁷⁴⁰¹ is an apocalyptic number.

It is an amenable number.

677401 is a deficient number, since it is larger than the sum of its proper divisors (5303).

677401 is a wasteful number, since it uses less digits than its factorization.

677401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5302.

The product of its (nonzero) digits is 1176, while the sum is 25.

The square root of 677401 is about 823.0437412434. The cubic root of 677401 is about 87.8244174629.

The spelling of 677401 in words is "six hundred seventy-seven thousand, four hundred one".