34851820 has 12 divisors (see below), whose sum is σ = 73188864. Its totient is φ = 13940720.

The previous prime is 34851797. The next prime is 34851821. The reversal of 34851820 is 2815843.

It is not an unprimeable number, because it can be changed into a prime (34851821) 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, 871276 + ... + 871315.

It is an arithmetic number, because the mean of its divisors is an integer number (6099072).

Almost surely, 2^34851820 is an apocalyptic number.

It is an amenable number.

34851820 is an abundant number, since it is smaller than the sum of its proper divisors (38337044).

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

34851820 is a wasteful number, since it uses less digits than its factorization.

34851820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1742600 (or 1742598 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 31.

The square root of 34851820 is about 5903.5430039934. The cubic root of 34851820 is about 326.6443526801.

The spelling of 34851820 in words is "thirty-four million, eight hundred fifty-one thousand, eight hundred twenty".