5406401 has 24 divisors (see below), whose sum is σ = 7328832. Its totient is φ = 3880800.

The previous prime is 5406397. The next prime is 5406407. The reversal of 5406401 is 1046045.

It is a happy number.

It is not a de Polignac number, because 5406401 - 2² = 5406397 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5406407) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10766 + ... + 11256.

It is an arithmetic number, because the mean of its divisors is an integer number (305368).

Almost surely, 2^5406401 is an apocalyptic number.

It is an amenable number.

5406401 is a deficient number, since it is larger than the sum of its proper divisors (1922431).

5406401 is a wasteful number, since it uses less digits than its factorization.

5406401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 533 (or 522 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 5406401 is about 2325.1668757317. The cubic root of 5406401 is about 175.5103578003.

The spelling of 5406401 in words is "five million, four hundred six thousand, four hundred one".