1406541 has 8 divisors (see below), whose sum is σ = 1889440. Its totient is φ = 930672.

The previous prime is 1406539. The next prime is 1406543. The reversal of 1406541 is 1456041.

It is an interprime number because it is at equal distance from previous prime (1406539) and next prime (1406543).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1406541 - 2¹ = 1406539 is a prime.

It is a Duffinian number.

1406541 is a lucky number.

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 7 ways as a sum of consecutive naturals, for example, 1270 + ... + 2103.

It is an arithmetic number, because the mean of its divisors is an integer number (236180).

2^1406541 is an apocalyptic number.

It is an amenable number.

1406541 is a deficient number, since it is larger than the sum of its proper divisors (482899).

1406541 is a wasteful number, since it uses less digits than its factorization.

1406541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3515.

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 1406541 is about 1185.9768125895. The cubic root of 1406541 is about 112.0428460645.

The spelling of 1406541 in words is "one million, four hundred six thousand, five hundred forty-one".