3394909890 has 24 divisors (see below), whose sum is σ = 8826765948. Its totient is φ = 905309280.

The previous prime is 3394909849. The next prime is 3394909901. The reversal of 3394909890 is 989094933.

It can be written as a sum of positive squares in 2 ways, for example, as 3334023081 + 60886809 = 57741^2 + 7803^2 .

It is a super-2 number, since 2×3394909890² = 23050826322439624200, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18860521 + ... + 18860700.

Almost surely, 2^3394909890 is an apocalyptic number.

3394909890 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

3394909890 is an abundant number, since it is smaller than the sum of its proper divisors (5431856058).

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

3394909890 is a wasteful number, since it uses less digits than its factorization.

3394909890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37721234 (or 37721231 counting only the distinct ones).

The product of its (nonzero) digits is 1889568, while the sum is 54.

The square root of 3394909890 is about 58265.8552670430. The cubic root of 3394909890 is about 1502.9438321221.

The spelling of 3394909890 in words is "three billion, three hundred ninety-four million, nine hundred nine thousand, eight hundred ninety".