3480291986 has 16 divisors (see below), whose sum is σ = 5531099904. Its totient is φ = 1636724544.

The previous prime is 3480291979. The next prime is 3480292043. The reversal of 3480291986 is 6891920843.

It is a happy number.

It is a super-2 number, since 2×3480291986² = 24224864615631648392, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21491 + ... + 86153.

It is an arithmetic number, because the mean of its divisors is an integer number (345693744).

Almost surely, 2^3480291986 is an apocalyptic number.

3480291986 is a deficient number, since it is larger than the sum of its proper divisors (2050807918).

3480291986 is a wasteful number, since it uses less digits than its factorization.

3480291986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66265.

The product of its (nonzero) digits is 746496, while the sum is 50.

The square root of 3480291986 is about 58993.9995762281. Note that the first 3 decimals coincide. The cubic root of 3480291986 is about 1515.4393517838.

Adding to 3480291986 its sum of digits (50), we get a square (3480292036 = 58994²).

The spelling of 3480291986 in words is "three billion, four hundred eighty million, two hundred ninety-one thousand, nine hundred eighty-six".