1407146 has 8 divisors (see below), whose sum is σ = 2273124. Its totient is φ = 649440.

The previous prime is 1407143. The next prime is 1407151. The reversal of 1407146 is 6417041.

It can be written as a sum of positive squares in 2 ways, for example, as 978121 + 429025 = 989^2 + 655^2 .

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

It is a plaindrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (1407143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27035 + ... + 27086.

2^1407146 is an apocalyptic number.

1407146 is a deficient number, since it is larger than the sum of its proper divisors (865978).

1407146 is a wasteful number, since it uses less digits than its factorization.

1407146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54136.

The product of its (nonzero) digits is 672, while the sum is 23.

The square root of 1407146 is about 1186.2318491762. The cubic root of 1407146 is about 112.0589082115.

The spelling of 1407146 in words is "one million, four hundred seven thousand, one hundred forty-six".