3780555 has 8 divisors (see below), whose sum is σ = 6048912. Its totient is φ = 2016288.

The previous prime is 3780541. The next prime is 3780559. The reversal of 3780555 is 5550873.

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

It is not a de Polignac number, because 3780555 - 2⁹ = 3780043 is a prime.

It is a super-2 number, since 2×3780555² = 28585192216050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3780559) 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, 126004 + ... + 126033.

It is an arithmetic number, because the mean of its divisors is an integer number (756114).

Almost surely, 2^3780555 is an apocalyptic number.

3780555 is a deficient number, since it is larger than the sum of its proper divisors (2268357).

3780555 is a wasteful number, since it uses less digits than its factorization.

3780555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 252045.

The product of its (nonzero) digits is 21000, while the sum is 33.

The square root of 3780555 is about 1944.3649348823. The cubic root of 3780555 is about 155.7824465825.

The spelling of 3780555 in words is "three million, seven hundred eighty thousand, five hundred fifty-five".