34985440 has 48 divisors (see below), whose sum is σ = 94463712. Its totient is φ = 11994624.

The previous prime is 34985429. The next prime is 34985449. The reversal of 34985440 is 4458943.

It is a self number, because there is not a number n which added to its sum of digits gives 34985440.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34985449) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14499 + ... + 16738.

It is an arithmetic number, because the mean of its divisors is an integer number (1967994).

Almost surely, 2^34985440 is an apocalyptic number.

It is an amenable number.

34985440 is an abundant number, since it is smaller than the sum of its proper divisors (59478272).

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

34985440 is a wasteful number, since it uses less digits than its factorization.

34985440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31259 (or 31251 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 37.

The square root of 34985440 is about 5914.8491105015. The cubic root of 34985440 is about 327.0612659415.

The spelling of 34985440 in words is "thirty-four million, nine hundred eighty-five thousand, four hundred forty".