3642378 has 8 divisors (see below), whose sum is σ = 7284768. Its totient is φ = 1214124.

The previous prime is 3642377. The next prime is 3642427. The reversal of 3642378 is 8732463.

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

3642378 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (3642377) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 303526 + ... + 303537.

It is an arithmetic number, because the mean of its divisors is an integer number (910596).

Almost surely, 2^3642378 is an apocalyptic number.

3642378 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3642378 is a wasteful number, since it uses less digits than its factorization.

3642378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 607068.

The product of its digits is 24192, while the sum is 33.

The square root of 3642378 is about 1908.5015064181. The cubic root of 3642378 is about 153.8609246459.

The spelling of 3642378 in words is "three million, six hundred forty-two thousand, three hundred seventy-eight".