3845270 has 32 divisors (see below), whose sum is σ = 8134560. Its totient is φ = 1290240.

The previous prime is 3845263. The next prime is 3845273. The reversal of 3845270 is 725483.

It is a happy number.

It is a super-2 number, since 2×3845270² = 29572202745800, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3845273) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 86 + ... + 2774.

It is an arithmetic number, because the mean of its divisors is an integer number (254205).

Almost surely, 2^3845270 is an apocalyptic number.

3845270 is an abundant number, since it is smaller than the sum of its proper divisors (4289290).

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

3845270 is a wasteful number, since it uses less digits than its factorization.

3845270 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2720.

The product of its (nonzero) digits is 6720, while the sum is 29.

The square root of 3845270 is about 1960.9360009954. The cubic root of 3845270 is about 156.6663095410. Note that the first 3 decimals are identical.

The spelling of 3845270 in words is "three million, eight hundred forty-five thousand, two hundred seventy".