34563894 has 48 divisors (see below), whose sum is σ = 74691072. Its totient is φ = 10638144.

The previous prime is 34563877. The next prime is 34563899. The reversal of 34563894 is 49836543.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34563899) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 473442 + ... + 473514.

It is an arithmetic number, because the mean of its divisors is an integer number (1556064).

Almost surely, 2^34563894 is an apocalyptic number.

34563894 is an abundant number, since it is smaller than the sum of its proper divisors (40127178).

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

34563894 is a wasteful number, since it uses less digits than its factorization.

34563894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 221 (or 148 counting only the distinct ones).

The product of its digits is 311040, while the sum is 42.

The square root of 34563894 is about 5879.1065647767. The cubic root of 34563894 is about 325.7423472613.

The spelling of 34563894 in words is "thirty-four million, five hundred sixty-three thousand, eight hundred ninety-four".