34857240 has 64 divisors (see below), whose sum is σ = 114082560. Its totient is φ = 8449920.

The previous prime is 34857233. The next prime is 34857247. The reversal of 34857240 is 4275843.

It is an interprime number because it is at equal distance from previous prime (34857233) and next prime (34857247).

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34857247) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11884 + ... + 14523.

It is an arithmetic number, because the mean of its divisors is an integer number (1782540).

Almost surely, 2^34857240 is an apocalyptic number.

34857240 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

34857240 is an abundant number, since it is smaller than the sum of its proper divisors (79225320).

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

34857240 is a wasteful number, since it uses less digits than its factorization.

34857240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26432 (or 26428 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 33.

The square root of 34857240 is about 5904.0020325200. The cubic root of 34857240 is about 326.6612845612.

The spelling of 34857240 in words is "thirty-four million, eight hundred fifty-seven thousand, two hundred forty".