3400921843 has 16 divisors (see below), whose sum is σ = 3856296960. Its totient is φ = 2970928800.

The previous prime is 3400921819. The next prime is 3400921847. The reversal of 3400921843 is 3481290043.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3400921843 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3400921799 and 3400921808.

It is not an unprimeable number, because it can be changed into a prime (3400921847) 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, 42046 + ... + 92572.

It is an arithmetic number, because the mean of its divisors is an integer number (241018560).

Almost surely, 2^3400921843 is an apocalyptic number.

3400921843 is a deficient number, since it is larger than the sum of its proper divisors (455375117).

3400921843 is a wasteful number, since it uses less digits than its factorization.

3400921843 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50778.

The product of its (nonzero) digits is 20736, while the sum is 34.

The square root of 3400921843 is about 58317.4231512333. The cubic root of 3400921843 is about 1503.8304829774.

The spelling of 3400921843 in words is "three billion, four hundred million, nine hundred twenty-one thousand, eight hundred forty-three".