1400404 has 12 divisors (see below), whose sum is σ = 2485728. Its totient is φ = 690200.

The previous prime is 1400387. The next prime is 1400411. The reversal of 1400404 is 4040041.

It is a happy number.

It is a super-2 number, since 2×1400404² = 3922262726432, which contains 22 as substring.

1400404 is a modest number, since divided by 404 gives 140 as remainder.

It is a congruent number.

It is an unprimeable number.

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, 2182 + ... + 2749.

It is an arithmetic number, because the mean of its divisors is an integer number (207144).

2^1400404 is an apocalyptic number.

It is an amenable number.

1400404 is a deficient number, since it is larger than the sum of its proper divisors (1085324).

1400404 is a wasteful number, since it uses less digits than its factorization.

1400404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5006 (or 5004 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 13.

The square root of 1400404 is about 1183.3866654648. The cubic root of 1400404 is about 111.8796538954.

Adding to 1400404 its reverse (4040041), we get a palindrome (5440445).

The spelling of 1400404 in words is "one million, four hundred thousand, four hundred four".