1457406 has 32 divisors (see below), whose sum is σ = 3278880. Its totient is φ = 479808.

The previous prime is 1457389. The next prime is 1457411. The reversal of 1457406 is 6047541.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 1457406.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7300 + ... + 7496.

It is an arithmetic number, because the mean of its divisors is an integer number (102465).

2^1457406 is an apocalyptic number.

1457406 is an abundant number, since it is smaller than the sum of its proper divisors (1821474).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1457406 is a wasteful number, since it uses less digits than its factorization.

1457406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 345 (or 339 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 1457406 is about 1207.2307153150. The cubic root of 1457406 is about 113.3774933638.

The spelling of 1457406 in words is "one million, four hundred fifty-seven thousand, four hundred six".