1401724 has 6 divisors (see below), whose sum is σ = 2453024. Its totient is φ = 700860.

The previous prime is 1401721. The next prime is 1401737. The reversal of 1401724 is 4271041.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1401721) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 175212 + ... + 175219.

2^1401724 is an apocalyptic number.

It is an amenable number.

1401724 is a deficient number, since it is larger than the sum of its proper divisors (1051300).

1401724 is a wasteful number, since it uses less digits than its factorization.

1401724 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 350435 (or 350433 counting only the distinct ones).

The product of its (nonzero) digits is 224, while the sum is 19.

The square root of 1401724 is about 1183.9442554445. The cubic root of 1401724 is about 111.9147948897.

Adding to 1401724 its reverse (4271041), we get a palindrome (5672765).

It can be divided in two parts, 14017 and 24, that added together give a palindrome (14041).

The spelling of 1401724 in words is "one million, four hundred one thousand, seven hundred twenty-four".