1406544 has 20 divisors (see below), whose sum is σ = 3633696. Its totient is φ = 468832.

The previous prime is 1406543. The next prime is 1406549. The reversal of 1406544 is 4456041.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1406543) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14604 + ... + 14699.

2^1406544 is an apocalyptic number.

It is an amenable number.

1406544 is an abundant number, since it is smaller than the sum of its proper divisors (2227152).

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

1406544 is a wasteful number, since it uses less digits than its factorization.

1406544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29314 (or 29308 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 1406544 is about 1185.9780773691. The cubic root of 1406544 is about 112.0429257228.

The spelling of 1406544 in words is "one million, four hundred six thousand, five hundred forty-four".