390700148 has 6 divisors (see below), whose sum is σ = 683725266. Its totient is φ = 195350072.

The previous prime is 390700147. The next prime is 390700159. The reversal of 390700148 is 841007093.

It can be written as a sum of positive squares in only one way, i.e., 351487504 + 39212644 = 18748^2 + 6262^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (390700147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48837515 + ... + 48837522.

It is an arithmetic number, because the mean of its divisors is an integer number (113954211).

Almost surely, 2^390700148 is an apocalyptic number.

It is an amenable number.

390700148 is a deficient number, since it is larger than the sum of its proper divisors (293025118).

390700148 is a wasteful number, since it uses less digits than its factorization.

390700148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97675041 (or 97675039 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 32.

The square root of 390700148 is about 19766.1363953606. The cubic root of 390700148 is about 731.0513081523.

The spelling of 390700148 in words is "three hundred ninety million, seven hundred thousand, one hundred forty-eight".