1438605212 has 96 divisors (see below), whose sum is σ = 3031680960. Its totient is φ = 589824000.

The previous prime is 1438605211. The next prime is 1438605227. The reversal of 1438605212 is 2125068341.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1438605211) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1870364 + ... + 1871132.

It is an arithmetic number, because the mean of its divisors is an integer number (31580010).

Almost surely, 2^1438605212 is an apocalyptic number.

It is an amenable number.

1438605212 is an abundant number, since it is smaller than the sum of its proper divisors (1593075748).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1438605212 is a wasteful number, since it uses less digits than its factorization.

1438605212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 903 (or 901 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 32.

The square root of 1438605212 is about 37928.9495240773. The cubic root of 1438605212 is about 1128.8785208330.

The spelling of 1438605212 in words is "one billion, four hundred thirty-eight million, six hundred five thousand, two hundred twelve".