1404596489 has 6 divisors (see below), whose sum is σ = 1482413850. Its totient is φ = 1330670016.

The previous prime is 1404596483. The next prime is 1404596503. The reversal of 1404596489 is 9846954041.

It can be written as a sum of positive squares in only one way, i.e., 1362864889 + 41731600 = 36917^2 + 6460^2 .

It is not a de Polignac number, because 1404596489 - 2⁸ = 1404596233 is a prime.

It is a super-2 number, since 2×1404596489² = 3945782593822254242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1404596483) 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, 1945064 + ... + 1945785.

It is an arithmetic number, because the mean of its divisors is an integer number (247068975).

Almost surely, 2^1404596489 is an apocalyptic number.

1404596489 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

1404596489 is a deficient number, since it is larger than the sum of its proper divisors (77817361).

1404596489 is an equidigital number, since it uses as much as digits as its factorization.

1404596489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3890887 (or 3890868 counting only the distinct ones).

The product of its (nonzero) digits is 1244160, while the sum is 50.

The square root of 1404596489 is about 37477.9467020273. The cubic root of 1404596489 is about 1119.9119002237.

The spelling of 1404596489 in words is "one billion, four hundred four million, five hundred ninety-six thousand, four hundred eighty-nine".