1420404 has 24 divisors (see below), whose sum is σ = 3396288. Its totient is φ = 461760.

The previous prime is 1420403. The next prime is 1420429. The reversal of 1420404 is 4040241.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1420403) 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 7 ways as a sum of consecutive naturals, for example, 952 + ... + 1935.

It is an arithmetic number, because the mean of its divisors is an integer number (141512).

2^1420404 is an apocalyptic number.

It is an amenable number.

1420404 is an abundant number, since it is smaller than the sum of its proper divisors (1975884).

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

1420404 is a wasteful number, since it uses less digits than its factorization.

1420404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2935 (or 2933 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 15.

The square root of 1420404 is about 1191.8070313604. The cubic root of 1420404 is about 112.4097448946.

Adding to 1420404 its reverse (4040241), we get a palindrome (5460645).

The spelling of 1420404 in words is "one million, four hundred twenty thousand, four hundred four".