3394537380 has 216 divisors, whose sum is σ = 11238776640. Its totient is φ = 828921600.

The previous prime is 3394537301. The next prime is 3394537387. The reversal of 3394537380 is 837354933.

3394537380 is a `hidden beast` number, since 3 + 39 + 4 + 537 + 3 + 80 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3394537387) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 4593051 + ... + 4593789.

Almost surely, 2^3394537380 is an apocalyptic number.

3394537380 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3394537380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5619388320).

3394537380 is an abundant number, since it is smaller than the sum of its proper divisors (7844239260).

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

3394537380 is a wasteful number, since it uses less digits than its factorization.

3394537380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 931 (or 913 counting only the distinct ones).

The product of its (nonzero) digits is 816480, while the sum is 45.

The square root of 3394537380 is about 58262.6585387244. The cubic root of 3394537380 is about 1502.8888594225. Note that the first 4 decimals are identical.

The spelling of 3394537380 in words is "three billion, three hundred ninety-four million, five hundred thirty-seven thousand, three hundred eighty".