8400052 has 12 divisors (see below), whose sum is σ = 15473920. Its totient is φ = 3978936.

The previous prime is 8400047. The next prime is 8400059. The reversal of 8400052 is 2500048.

It is a happy number.

It is a super-4 number, since 4×8400052⁴ (a number of 29 digits) contains 4444 as substring.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8400059) 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, 55188 + ... + 55339.

Almost surely, 2^8400052 is an apocalyptic number.

It is an amenable number.

8400052 is a deficient number, since it is larger than the sum of its proper divisors (7073868).

8400052 is a wasteful number, since it uses less digits than its factorization.

8400052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110550 (or 110548 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 19.

The square root of 8400052 is about 2898.2843200763. The cubic root of 8400052 is about 203.2796908273.

The spelling of 8400052 in words is "eight million, four hundred thousand, fifty-two".