1404542 has 8 divisors (see below), whose sum is σ = 2118000. Its totient is φ = 698544.

The previous prime is 1404539. The next prime is 1404547. The reversal of 1404542 is 2454041.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1404547) 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, 1367 + ... + 2162.

It is an arithmetic number, because the mean of its divisors is an integer number (264750).

2^1404542 is an apocalyptic number.

1404542 is a deficient number, since it is larger than the sum of its proper divisors (713458).

1404542 is a wasteful number, since it uses less digits than its factorization.

1404542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3730.

The product of its (nonzero) digits is 640, while the sum is 20.

The square root of 1404542 is about 1185.1337477264. The cubic root of 1404542 is about 111.9897418326.

Adding to 1404542 its reverse (2454041), we get a palindrome (3858583).

The spelling of 1404542 in words is "one million, four hundred four thousand, five hundred forty-two".