3901378 has 8 divisors (see below), whose sum is σ = 6302268. Its totient is φ = 1800624.

The previous prime is 3901369. The next prime is 3901397. The reversal of 3901378 is 8731093.

It can be written as a sum of positive squares in 2 ways, for example, as 3892729 + 8649 = 1973^2 + 93^2 .

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

It is an Ulam number.

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, 75001 + ... + 75052.

Almost surely, 2^3901378 is an apocalyptic number.

3901378 is a deficient number, since it is larger than the sum of its proper divisors (2400890).

3901378 is a wasteful number, since it uses less digits than its factorization.

3901378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150068.

The product of its (nonzero) digits is 4536, while the sum is 31.

The square root of 3901378 is about 1975.1906237121. The cubic root of 3901378 is about 157.4246284198.

The spelling of 3901378 in words is "three million, nine hundred one thousand, three hundred seventy-eight".