45784398 has 32 divisors (see below), whose sum is σ = 104239872. Its totient is φ = 13270400.

The previous prime is 45784397. The next prime is 45784423. The reversal of 45784398 is 89348754.

It is a super-2 number, since 2×45784398² = 4192422200444808, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45784391) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13563 + ... + 16598.

It is an arithmetic number, because the mean of its divisors is an integer number (3257496).

Almost surely, 2^45784398 is an apocalyptic number.

45784398 is an abundant number, since it is smaller than the sum of its proper divisors (58455474).

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

45784398 is a wasteful number, since it uses less digits than its factorization.

45784398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30200.

The product of its digits is 967680, while the sum is 48.

The square root of 45784398 is about 6766.4169247838. The cubic root of 45784398 is about 357.7441187238.

The spelling of 45784398 in words is "forty-five million, seven hundred eighty-four thousand, three hundred ninety-eight".