378252693 has 32 divisors (see below), whose sum is σ = 689696000. Its totient is φ = 199516608.

The previous prime is 378252689. The next prime is 378252727. The reversal of 378252693 is 396252873.

378252693 is a `hidden beast` number, since 37 + 8 + 2 + 526 + 93 = 666.

It is not a de Polignac number, because 378252693 - 2² = 378252689 is a prime.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (378252683) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 74518 + ... + 79431.

It is an arithmetic number, because the mean of its divisors is an integer number (21553000).

Almost surely, 2^378252693 is an apocalyptic number.

It is an amenable number.

378252693 is a deficient number, since it is larger than the sum of its proper divisors (311443307).

378252693 is a wasteful number, since it uses less digits than its factorization.

378252693 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153978 (or 153972 counting only the distinct ones).

The product of its digits is 544320, while the sum is 45.

The square root of 378252693 is about 19448.7195722495. The cubic root of 378252693 is about 723.2037613738.

The spelling of 378252693 in words is "three hundred seventy-eight million, two hundred fifty-two thousand, six hundred ninety-three".