3401863921 has 16 divisors (see below), whose sum is σ = 3643838208. Its totient is φ = 3168792000.

The previous prime is 3401863877. The next prime is 3401863939. The reversal of 3401863921 is 1293681043.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3401863921 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3401863961) 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, 129700 + ... + 153706.

It is an arithmetic number, because the mean of its divisors is an integer number (227739888).

Almost surely, 2^3401863921 is an apocalyptic number.

It is an amenable number.

3401863921 is a deficient number, since it is larger than the sum of its proper divisors (241974287).

3401863921 is a wasteful number, since it uses less digits than its factorization.

3401863921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24192.

The product of its (nonzero) digits is 31104, while the sum is 37.

The square root of 3401863921 is about 58325.4997492520. The cubic root of 3401863921 is about 1503.9693271776.

The spelling of 3401863921 in words is "three billion, four hundred one million, eight hundred sixty-three thousand, nine hundred twenty-one".