1406242 has 4 divisors (see below), whose sum is σ = 2109366. Its totient is φ = 703120.

The previous prime is 1406231. The next prime is 1406267. The reversal of 1406242 is 2426041.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 811801 + 594441 = 901^2 + 771^2 .

It is an Ulam number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 351559 + ... + 351562.

2^1406242 is an apocalyptic number.

1406242 is a deficient number, since it is larger than the sum of its proper divisors (703124).

1406242 is an equidigital number, since it uses as much as digits as its factorization.

1406242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 703123.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 1406242 is about 1185.8507494622. The cubic root of 1406242 is about 112.0349062117.

The spelling of 1406242 in words is "one million, four hundred six thousand, two hundred forty-two".