3780398 has 16 divisors (see below), whose sum is σ = 5854464. Its totient is φ = 1829880.

The previous prime is 3780397. The next prime is 3780407. The reversal of 3780398 is 8930873.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3780391) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12161 + ... + 12467.

It is an arithmetic number, because the mean of its divisors is an integer number (365904).

Almost surely, 2^3780398 is an apocalyptic number.

3780398 is a deficient number, since it is larger than the sum of its proper divisors (2074066).

3780398 is a wasteful number, since it uses less digits than its factorization.

3780398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 487.

The product of its (nonzero) digits is 36288, while the sum is 38.

The square root of 3780398 is about 1944.3245613837. The cubic root of 3780398 is about 155.7802900929.

The spelling of 3780398 in words is "three million, seven hundred eighty thousand, three hundred ninety-eight".