1401436 has 12 divisors (see below), whose sum is σ = 2559312. Its totient is φ = 670208.

The previous prime is 1401409. The next prime is 1401437. The reversal of 1401436 is 6341041.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1401437) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7525 + ... + 7708.

It is an arithmetic number, because the mean of its divisors is an integer number (213276).

2^1401436 is an apocalyptic number.

It is an amenable number.

1401436 is a deficient number, since it is larger than the sum of its proper divisors (1157876).

1401436 is a wasteful number, since it uses less digits than its factorization.

1401436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15260 (or 15258 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 1401436 is about 1183.8226218484. The cubic root of 1401436 is about 111.9071296459.

Adding to 1401436 its reverse (6341041), we get a palindrome (7742477).

The spelling of 1401436 in words is "one million, four hundred one thousand, four hundred thirty-six".