390201102 has 48 divisors (see below), whose sum is σ = 910381680. Its totient is φ = 120335616.

The previous prime is 390201101. The next prime is 390201103. The reversal of 390201102 is 201102093.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (390201101) and next prime (390201103).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (390201101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7248 + ... + 28860.

It is an arithmetic number, because the mean of its divisors is an integer number (18966285).

Almost surely, 2^390201102 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 390201102, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (455190840).

390201102 is an abundant number, since it is smaller than the sum of its proper divisors (520180578).

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

390201102 is a wasteful number, since it uses less digits than its factorization.

390201102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21697 (or 21694 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

The square root of 390201102 is about 19753.5085997399. The cubic root of 390201102 is about 730.7399153220.

Adding to 390201102 its reverse (201102093), we get a palindrome (591303195).

The spelling of 390201102 in words is "three hundred ninety million, two hundred one thousand, one hundred two".