1432953438 has 64 divisors (see below), whose sum is σ = 3459325440. Its totient is φ = 386560512.

The previous prime is 1432953433. The next prime is 1432953449. The reversal of 1432953438 is 8343592341.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a self number, because there is not a number n which added to its sum of digits gives 1432953438.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1432953433) 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, 246906 + ... + 252642.

It is an arithmetic number, because the mean of its divisors is an integer number (54051960).

Almost surely, 2^1432953438 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1432953438, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1729662720).

1432953438 is an abundant number, since it is smaller than the sum of its proper divisors (2026372002).

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

1432953438 is a wasteful number, since it uses less digits than its factorization.

1432953438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6081.

The product of its digits is 311040, while the sum is 42.

The square root of 1432953438 is about 37854.3714516567. The cubic root of 1432953438 is about 1127.3982584124.

The spelling of 1432953438 in words is "one billion, four hundred thirty-two million, nine hundred fifty-three thousand, four hundred thirty-eight".