3842545 has 16 divisors (see below), whose sum is σ = 5326848. Its totient is φ = 2606400.

The previous prime is 3842539. The next prime is 3842549. The reversal of 3842545 is 5452483.

It is not a de Polignac number, because 3842545 - 2¹⁵ = 3809777 is a prime.

It is a Duffinian number.

Its product of digits (19200) is a multiple of the sum of its prime divisors (1200).

It is not an unprimeable number, because it can be changed into a prime (3842549) 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, 2992 + ... + 4078.

It is an arithmetic number, because the mean of its divisors is an integer number (332928).

Almost surely, 2^3842545 is an apocalyptic number.

3842545 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

3842545 is a deficient number, since it is larger than the sum of its proper divisors (1484303).

3842545 is a wasteful number, since it uses less digits than its factorization.

3842545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1200.

The product of its digits is 19200, while the sum is 31.

The square root of 3842545 is about 1960.2410566050. The cubic root of 3842545 is about 156.6292929310.

The spelling of 3842545 in words is "three million, eight hundred forty-two thousand, five hundred forty-five".