390146735 has 8 divisors (see below), whose sum is σ = 510737616. Its totient is φ = 283743040.

The previous prime is 390146711. The next prime is 390146777. The reversal of 390146735 is 537641093.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 390146735 - 2²² = 385952431 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3546734 + ... + 3546843.

It is an arithmetic number, because the mean of its divisors is an integer number (63842202).

Almost surely, 2^390146735 is an apocalyptic number.

390146735 is a deficient number, since it is larger than the sum of its proper divisors (120590881).

390146735 is a wasteful number, since it uses less digits than its factorization.

390146735 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7093593.

The product of its (nonzero) digits is 68040, while the sum is 38.

The square root of 390146735 is about 19752.1324165266. The cubic root of 390146735 is about 730.7059755732.

The spelling of 390146735 in words is "three hundred ninety million, one hundred forty-six thousand, seven hundred thirty-five".