1404961369 has 6 divisors (see below), whose sum is σ = 1634342874. Its totient is φ = 1204252560.

The previous prime is 1404961367. The next prime is 1404961399. The reversal of 1404961369 is 9631694041.

It can be written as a sum of positive squares in only one way, i.e., 1100912400 + 304048969 = 33180^2 + 17437^2 .

It is not a de Polignac number, because 1404961369 - 2¹ = 1404961367 is a prime.

It is a super-2 number, since 2×1404961369² = 3947832896764708322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1404961361) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 14336292 + ... + 14336389.

It is an arithmetic number, because the mean of its divisors is an integer number (272390479).

Almost surely, 2^1404961369 is an apocalyptic number.

It is an amenable number.

1404961369 is a deficient number, since it is larger than the sum of its proper divisors (229381505).

1404961369 is an equidigital number, since it uses as much as digits as its factorization.

1404961369 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28672695 (or 28672688 counting only the distinct ones).

The product of its (nonzero) digits is 139968, while the sum is 43.

The square root of 1404961369 is about 37482.8143153632. The cubic root of 1404961369 is about 1120.0088671173.

The spelling of 1404961369 in words is "one billion, four hundred four million, nine hundred sixty-one thousand, three hundred sixty-nine".