1406842 has 8 divisors (see below), whose sum is σ = 2178432. Its totient is φ = 680700.

The previous prime is 1406837. The next prime is 1406849. The reversal of 1406842 is 2486041.

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

It is a plaindrome in base 14 and base 16.

It is not an unprimeable number, because it can be changed into a prime (1406849) 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, 11284 + ... + 11407.

It is an arithmetic number, because the mean of its divisors is an integer number (272304).

2^1406842 is an apocalyptic number.

1406842 is a deficient number, since it is larger than the sum of its proper divisors (771590).

1406842 is a wasteful number, since it uses less digits than its factorization.

1406842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22724.

The product of its (nonzero) digits is 1536, while the sum is 25.

The square root of 1406842 is about 1186.1037054153. The cubic root of 1406842 is about 112.0508378901.

The spelling of 1406842 in words is "one million, four hundred six thousand, eight hundred forty-two".