3490021260 has 72 divisors (see below), whose sum is σ = 11548804176. Its totient is φ = 846065280.

The previous prime is 3490021231. The next prime is 3490021279. The reversal of 3490021260 is 621200943.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 879339 + ... + 883298.

It is an arithmetic number, because the mean of its divisors is an integer number (160400058).

Almost surely, 2^3490021260 is an apocalyptic number.

3490021260 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3490021260 is an abundant number, since it is smaller than the sum of its proper divisors (8058782916).

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

3490021260 is a wasteful number, since it uses less digits than its factorization.

3490021260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1762663 (or 1762658 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 3490021260 is about 59076.4018877250. The cubic root of 3490021260 is about 1516.8501919095.

The spelling of 3490021260 in words is "three billion, four hundred ninety million, twenty-one thousand, two hundred sixty".