390118300 has 72 divisors (see below), whose sum is σ = 994592592. Its totient is φ = 130944000.

The previous prime is 390118297. The next prime is 390118327. The reversal of 390118300 is 3811093.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 660 + ... + 27940.

It is an arithmetic number, because the mean of its divisors is an integer number (13813786).

Almost surely, 2^390118300 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 390118300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (497296296).

390118300 is an abundant number, since it is smaller than the sum of its proper divisors (604474292).

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

390118300 is a wasteful number, since it uses less digits than its factorization.

390118300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27319 (or 27312 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 25.

The square root of 390118300 is about 19751.4126077099. The cubic root of 390118300 is about 730.6882231676.

Adding to 390118300 its reverse (3811093), we get a palindrome (393929393).

It can be divided in two parts, 3901 and 18300, that added together give a square (22201 = 149²).

The spelling of 390118300 in words is "three hundred ninety million, one hundred eighteen thousand, three hundred".