1404934193 has 4 divisors (see below), whose sum is σ = 1513006068. Its totient is φ = 1296862320.

The previous prime is 1404934171. The next prime is 1404934207. The reversal of 1404934193 is 3914394041.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 143832049 + 1261102144 = 11993^2 + 35512^2 .

It is not a de Polignac number, because 1404934193 - 2²⁰ = 1403885617 is a prime.

It is a super-2 number, since 2×1404934193² = 3947680173321122498, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1404934133) 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, 54035918 + ... + 54035943.

It is an arithmetic number, because the mean of its divisors is an integer number (378251517).

Almost surely, 2^1404934193 is an apocalyptic number.

1404934193 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1404934193 is a deficient number, since it is larger than the sum of its proper divisors (108071875).

1404934193 is a wasteful number, since it uses less digits than its factorization.

1404934193 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108071874.

The product of its (nonzero) digits is 46656, while the sum is 38.

The square root of 1404934193 is about 37482.4518008094. The cubic root of 1404934193 is about 1120.0016456715.

The spelling of 1404934193 in words is "one billion, four hundred four million, nine hundred thirty-four thousand, one hundred ninety-three".