1401404 has 6 divisors (see below), whose sum is σ = 2452464. Its totient is φ = 700700.

The previous prime is 1401403. The next prime is 1401409. The reversal of 1401404 is 4041041.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1401401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 175172 + ... + 175179.

It is an arithmetic number, because the mean of its divisors is an integer number (408744).

2^1401404 is an apocalyptic number.

It is an amenable number.

1401404 is a deficient number, since it is larger than the sum of its proper divisors (1051060).

1401404 is a wasteful number, since it uses less digits than its factorization.

1401404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 350355 (or 350353 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

The square root of 1401404 is about 1183.8091062329. The cubic root of 1401404 is about 111.9062778873.

Adding to 1401404 its reverse (4041041), we get a palindrome (5442445).

The spelling of 1401404 in words is "one million, four hundred one thousand, four hundred four".