378498582 has 160 divisors (see below), whose sum is σ = 1113742080. Its totient is φ = 93078720.

The previous prime is 378498553. The next prime is 378498587. The reversal of 378498582 is 285894873.

It is a happy number.

378498582 is a `hidden beast` number, since 3 + 78 + 498 + 5 + 82 = 666.

It is a super-2 number, since 2×378498582² = 286522353152021448, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (378498587) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 236208 + ... + 237804.

It is an arithmetic number, because the mean of its divisors is an integer number (6960888).

Almost surely, 2^378498582 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 378498582, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (556871040).

378498582 is an abundant number, since it is smaller than the sum of its proper divisors (735243498).

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

378498582 is a wasteful number, since it uses less digits than its factorization.

378498582 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1648 (or 1639 counting only the distinct ones).

The product of its digits is 3870720, while the sum is 54.

The square root of 378498582 is about 19455.0400153790. The cubic root of 378498582 is about 723.3604373505.

The spelling of 378498582 in words is "three hundred seventy-eight million, four hundred ninety-eight thousand, five hundred eighty-two".