1383426046 has 4 divisors (see below), whose sum is σ = 2075139072. Its totient is φ = 691713022.

The previous prime is 1383426029. The next prime is 1383426047. The reversal of 1383426046 is 6406243831.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6406243831 = 13 ⋅492787987.

It is a junction number, because it is equal to n+sod(n) for n = 1383425996 and 1383426014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1383426047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 345856510 + ... + 345856513.

It is an arithmetic number, because the mean of its divisors is an integer number (518784768).

Almost surely, 2^1383426046 is an apocalyptic number.

1383426046 is a deficient number, since it is larger than the sum of its proper divisors (691713026).

1383426046 is an equidigital number, since it uses as much as digits as its factorization.

1383426046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 691713025.

The product of its (nonzero) digits is 82944, while the sum is 37.

The square root of 1383426046 is about 37194.4356860001. The cubic root of 1383426046 is about 1114.2568586012.

Adding to 1383426046 its reverse (6406243831), we get a palindrome (7789669877).

The spelling of 1383426046 in words is "one billion, three hundred eighty-three million, four hundred twenty-six thousand, forty-six".