3892945 has 8 divisors (see below), whose sum is σ = 5338944. Its totient is φ = 2669424.

The previous prime is 3892943. The next prime is 3892951. The reversal of 3892945 is 5492983.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 3892945 - 2¹ = 3892943 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3892898 and 3892907.

It is not an unprimeable number, because it can be changed into a prime (3892943) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55579 + ... + 55648.

It is an arithmetic number, because the mean of its divisors is an integer number (667368).

Almost surely, 2^3892945 is an apocalyptic number.

3892945 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

3892945 is a deficient number, since it is larger than the sum of its proper divisors (1445999).

3892945 is a wasteful number, since it uses less digits than its factorization.

3892945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111239.

The product of its digits is 77760, while the sum is 40.

The square root of 3892945 is about 1973.0547382169. The cubic root of 3892945 is about 157.3111198450.

The spelling of 3892945 in words is "three million, eight hundred ninety-two thousand, nine hundred forty-five".