1402146 has 24 divisors (see below), whose sum is σ = 3090204. Its totient is φ = 459360.

The previous prime is 1402129. The next prime is 1402147. The reversal of 1402146 is 6412041.

It can be written as a sum of positive squares in 2 ways, for example, as 1334025 + 68121 = 1155^2 + 261^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1402147) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 460 + ... + 1736.

2^1402146 is an apocalyptic number.

1402146 is an abundant number, since it is smaller than the sum of its proper divisors (1688058).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1402146 is a wasteful number, since it uses less digits than its factorization.

1402146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1346 (or 1343 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 1402146 is about 1184.1224598833. The cubic root of 1402146 is about 111.9260247050.

Adding to 1402146 its reverse (6412041), we get a palindrome (7814187).

The spelling of 1402146 in words is "one million, four hundred two thousand, one hundred forty-six".