5457406 has 4 divisors (see below), whose sum is σ = 8186112. Its totient is φ = 2728702.

The previous prime is 5457383. The next prime is 5457421. The reversal of 5457406 is 6047545.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1364350 + ... + 1364353.

It is an arithmetic number, because the mean of its divisors is an integer number (2046528).

Almost surely, 2^5457406 is an apocalyptic number.

5457406 is a deficient number, since it is larger than the sum of its proper divisors (2728706).

5457406 is a wasteful number, since it uses less digits than its factorization.

5457406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2728705.

The product of its (nonzero) digits is 16800, while the sum is 31.

The square root of 5457406 is about 2336.1091584085. The cubic root of 5457406 is about 176.0605636955.

The spelling of 5457406 in words is "five million, four hundred fifty-seven thousand, four hundred six".