1401904 has 20 divisors (see below), whose sum is σ = 3104464. Its totient is φ = 600768.

The previous prime is 1401857. The next prime is 1401937. The reversal of 1401904 is 4091041.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6147 + ... + 6370.

2^1401904 is an apocalyptic number.

1401904 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1401904 is an abundant number, since it is smaller than the sum of its proper divisors (1702560).

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

1401904 is a wasteful number, since it uses less digits than its factorization.

1401904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12532 (or 12526 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 19.

The square root of 1401904 is about 1184.0202700968. The cubic root of 1401904 is about 111.9195851339.

Adding to 1401904 its reverse (4091041), we get a palindrome (5492945).

The spelling of 1401904 in words is "one million, four hundred one thousand, nine hundred four".