34443387 has 80 divisors (see below), whose sum is σ = 61332480. Its totient is φ = 19051200.

The previous prime is 34443361. The next prime is 34443389. The reversal of 34443387 is 78334443.

It is a happy number.

It is not a de Polignac number, because 34443387 - 2¹⁰ = 34442363 is a prime.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

Its product of digits (96768) is a multiple of the sum of its prime factors (126).

It is not an unprimeable number, because it can be changed into a prime (34443389) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 800988 + ... + 801030.

It is an arithmetic number, because the mean of its divisors is an integer number (766656).

Almost surely, 2^34443387 is an apocalyptic number.

34443387 is a deficient number, since it is larger than the sum of its proper divisors (26889093).

34443387 is a wasteful number, since it uses less digits than its factorization.

34443387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126 (or 117 counting only the distinct ones).

The product of its digits is 96768, while the sum is 36.

The square root of 34443387 is about 5868.8488649820. The cubic root of 34443387 is about 325.3633396032.

The spelling of 34443387 in words is "thirty-four million, four hundred forty-three thousand, three hundred eighty-seven".