378507290 has 16 divisors (see below), whose sum is σ = 778643712. Its totient is φ = 129773904.

The previous prime is 378507223. The next prime is 378507301. The reversal of 378507290 is 92705873.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2703554 + ... + 2703693.

It is an arithmetic number, because the mean of its divisors is an integer number (48665232).

Almost surely, 2^378507290 is an apocalyptic number.

378507290 is an abundant number, since it is smaller than the sum of its proper divisors (400136422).

378507290 is a wasteful number, since it uses less digits than its factorization.

378507290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5407261.

The product of its (nonzero) digits is 105840, while the sum is 41.

The square root of 378507290 is about 19455.2638121409. The cubic root of 378507290 is about 723.3659846847.

The spelling of 378507290 in words is "three hundred seventy-eight million, five hundred seven thousand, two hundred ninety".