34443820 has 12 divisors (see below), whose sum is σ = 72332064. Its totient is φ = 13777520.

The previous prime is 34443803. The next prime is 34443823. The reversal of 34443820 is 2834443.

It is not an unprimeable number, because it can be changed into a prime (34443823) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 861076 + ... + 861115.

It is an arithmetic number, because the mean of its divisors is an integer number (6027672).

Almost surely, 2^34443820 is an apocalyptic number.

It is an amenable number.

34443820 is an abundant number, since it is smaller than the sum of its proper divisors (37888244).

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

34443820 is a wasteful number, since it uses less digits than its factorization.

34443820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1722200 (or 1722198 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 28.

The square root of 34443820 is about 5868.8857545534. The cubic root of 34443820 is about 325.3647030167.

The spelling of 34443820 in words is "thirty-four million, four hundred forty-three thousand, eight hundred twenty".