3491923344 has 160 divisors (see below), whose sum is σ = 11169118464. Its totient is φ = 915425280.

The previous prime is 3491923343. The next prime is 3491923397. The reversal of 3491923344 is 4433291943.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a junction number, because it is equal to n+sod(n) for n = 3491923296 and 3491923305.

It is not an unprimeable number, because it can be changed into a prime (3491923343) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 753354 + ... + 757974.

Almost surely, 2^3491923344 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3491923344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5584559232).

3491923344 is an abundant number, since it is smaller than the sum of its proper divisors (7677195120).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3491923344 is a wasteful number, since it uses less digits than its factorization.

3491923344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4825 (or 4819 counting only the distinct ones).

The product of its digits is 279936, while the sum is 42.

The square root of 3491923344 is about 59092.4982040868. The cubic root of 3491923344 is about 1517.1257062285.

The spelling of 3491923344 in words is "three billion, four hundred ninety-one million, nine hundred twenty-three thousand, three hundred forty-four".