34521456 has 20 divisors (see below), whose sum is σ = 89180552. Its totient is φ = 11507136.

The previous prime is 34521451. The next prime is 34521457. The reversal of 34521456 is 65412543.

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 (34521451) 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, 359551 + ... + 359646.

Almost surely, 2^34521456 is an apocalyptic number.

It is an amenable number.

34521456 is an abundant number, since it is smaller than the sum of its proper divisors (54659096).

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

34521456 is a wasteful number, since it uses less digits than its factorization.

34521456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 719208 (or 719202 counting only the distinct ones).

The product of its digits is 14400, while the sum is 30.

The square root of 34521456 is about 5875.4962343618. The cubic root of 34521456 is about 325.6089757601.

Adding to 34521456 its reverse (65412543), we get a palindrome (99933999).

The spelling of 34521456 in words is "thirty-four million, five hundred twenty-one thousand, four hundred fifty-six".