3923155 has 8 divisors (see below), whose sum is σ = 4752432. Its totient is φ = 3108768.

The previous prime is 3923099. The next prime is 3923159. The reversal of 3923155 is 5513293.

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 3923155 - 2¹⁵ = 3890387 is a prime.

It is a super-2 number, since 2×3923155² = 30782290308050, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3923159) 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, 3132 + ... + 4201.

It is an arithmetic number, because the mean of its divisors is an integer number (594054).

Almost surely, 2^3923155 is an apocalyptic number.

3923155 is a deficient number, since it is larger than the sum of its proper divisors (829277).

3923155 is a wasteful number, since it uses less digits than its factorization.

3923155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7445.

The product of its digits is 4050, while the sum is 28.

The square root of 3923155 is about 1980.6955848893. The cubic root of 3923155 is about 157.7169932526.

The spelling of 3923155 in words is "three million, nine hundred twenty-three thousand, one hundred fifty-five".