83400452 has 6 divisors (see below), whose sum is σ = 145950798. Its totient is φ = 41700224.

The previous prime is 83400451. The next prime is 83400463. The reversal of 83400452 is 25400438.

It can be written as a sum of positive squares in only one way, i.e., 70324996 + 13075456 = 8386^2 + 3616^2 .

It is not an unprimeable number, because it can be changed into a prime (83400451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10425053 + ... + 10425060.

It is an arithmetic number, because the mean of its divisors is an integer number (24325133).

Almost surely, 2^83400452 is an apocalyptic number.

It is an amenable number.

83400452 is a deficient number, since it is larger than the sum of its proper divisors (62550346).

83400452 is a wasteful number, since it uses less digits than its factorization.

83400452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20850117 (or 20850115 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 26.

The square root of 83400452 is about 9132.3847925939. The cubic root of 83400452 is about 436.9074680110.

The spelling of 83400452 in words is "eighty-three million, four hundred thousand, four hundred fifty-two".