83434960 has 40 divisors (see below), whose sum is σ = 221700096. Its totient is φ = 28606080.

The previous prime is 83434957. The next prime is 83434969. The reversal of 83434960 is 6943438.

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×83434960² = 13922785100403200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83434969) 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, 73936 + ... + 75055.

Almost surely, 2^83434960 is an apocalyptic number.

83434960 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

83434960 is an abundant number, since it is smaller than the sum of its proper divisors (138265136).

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

83434960 is a wasteful number, since it uses less digits than its factorization.

83434960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149011 (or 149005 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 37.

The square root of 83434960 is about 9134.2739175043. The cubic root of 83434960 is about 436.9677183798.

The spelling of 83434960 in words is "eighty-three million, four hundred thirty-four thousand, nine hundred sixty".