401407 has 2 divisors, whose sum is σ = 401408. Its totient is φ = 401406.

The previous prime is 401393. The next prime is 401411. The reversal of 401407 is 704104.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 401407 - 2⁷ = 401279 is a prime.

It is a super-2 number, since 2×401407² = 322255159298, which contains 22 as substring.

It is a zygodrome in base 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (401417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 200703 + 200704.

It is an arithmetic number, because the mean of its divisors is an integer number (200704).

2⁴⁰¹⁴⁰⁷ is an apocalyptic number.

401407 is a deficient number, since it is larger than the sum of its proper divisors (1).

401407 is an equidigital number, since it uses as much as digits as its factorization.

401407 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 112, while the sum is 16.

The square root of 401407 is about 633.5668867610. The cubic root of 401407 is about 73.7669194160.

It can be divided in two parts, 401 and 407, that added together give a palindrome (808).

The spelling of 401407 in words is "four hundred one thousand, four hundred seven", and thus it is an iban number.