1012336438 has 4 divisors (see below), whose sum is σ = 1518504660. Its totient is φ = 506168218.

The previous prime is 1012336399. The next prime is 1012336447. The reversal of 1012336438 is 8346332101.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 8346332101 = 17659 ⋅472639.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 253084108 + ... + 253084111.

It is an arithmetic number, because the mean of its divisors is an integer number (379626165).

Almost surely, 2^1012336438 is an apocalyptic number.

1012336438 is a deficient number, since it is larger than the sum of its proper divisors (506168222).

1012336438 is an equidigital number, since it uses as much as digits as its factorization.

1012336438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 506168221.

The product of its (nonzero) digits is 10368, while the sum is 31.

The square root of 1012336438 is about 31817.2349207155. The cubic root of 1012336438 is about 1004.0953512029.

Adding to 1012336438 its reverse (8346332101), we get a palindrome (9358668539).

The spelling of 1012336438 in words is "one billion, twelve million, three hundred thirty-six thousand, four hundred thirty-eight".