401477 has 2 divisors, whose sum is σ = 401478. Its totient is φ = 401476.

The previous prime is 401473. The next prime is 401507. The reversal of 401477 is 774104.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 343396 + 58081 = 586^2 + 241^2 .

It is a cyclic number.

It is not a de Polignac number, because 401477 - 2² = 401473 is a prime.

It is a super-2 number, since 2×401477² = 322367563058, which contains 22 as substring.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 401477.

It is not a weakly prime, because it can be changed into another prime (401473) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 200738 + 200739.

It is an arithmetic number, because the mean of its divisors is an integer number (200739).

2⁴⁰¹⁴⁷⁷ is an apocalyptic number.

It is an amenable number.

401477 is a deficient number, since it is larger than the sum of its proper divisors (1).

401477 is an equidigital number, since it uses as much as digits as its factorization.

401477 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 784, while the sum is 23.

The square root of 401477 is about 633.6221271389. The cubic root of 401477 is about 73.7712071541.

It can be divided in two parts, 401 and 477, that added together give a palindrome (878).

The spelling of 401477 in words is "four hundred one thousand, four hundred seventy-seven", and thus it is an iban number.