385508402 has 8 divisors (see below), whose sum is σ = 593891436. Its totient is φ = 187544592.

The previous prime is 385508393. The next prime is 385508411. The reversal of 385508402 is 204805583.

It is an interprime number because it is at equal distance from previous prime (385508393) and next prime (385508411).

It can be written as a sum of positive squares in 2 ways, for example, as 337052881 + 48455521 = 18359^2 + 6961^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2604713 + ... + 2604860.

Almost surely, 2^385508402 is an apocalyptic number.

385508402 is a deficient number, since it is larger than the sum of its proper divisors (208383034).

385508402 is a wasteful number, since it uses less digits than its factorization.

385508402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5209612.

The product of its (nonzero) digits is 38400, while the sum is 35.

The square root of 385508402 is about 19634.3678787986. The cubic root of 385508402 is about 727.7987118600.

The spelling of 385508402 in words is "three hundred eighty-five million, five hundred eight thousand, four hundred two".