1438326952 has 16 divisors (see below), whose sum is σ = 2759581440. Its totient is φ = 702438576.

The previous prime is 1438326913. The next prime is 1438326977. The reversal of 1438326952 is 2596238341.

It is a super-2 number, since 2×1438326952² = 4137568841699220608, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is a junction number, because it is equal to n+sod(n) for n = 1438326899 and 1438326908.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2090248 + ... + 2090935.

It is an arithmetic number, because the mean of its divisors is an integer number (172473840).

Almost surely, 2^1438326952 is an apocalyptic number.

It is an amenable number.

1438326952 is a deficient number, since it is larger than the sum of its proper divisors (1321254488).

1438326952 is a wasteful number, since it uses less digits than its factorization.

1438326952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4181232 (or 4181228 counting only the distinct ones).

The product of its digits is 311040, while the sum is 43.

The square root of 1438326952 is about 37925.2811723262. The cubic root of 1438326952 is about 1128.8057322760.

The spelling of 1438326952 in words is "one billion, four hundred thirty-eight million, three hundred twenty-six thousand, nine hundred fifty-two".