16970290 has 16 divisors (see below), whose sum is σ = 31197312. Its totient is φ = 6643504.

The previous prime is 16970281. The next prime is 16970311. The reversal of 16970290 is 9207961.

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, 17584 + ... + 18523.

It is an arithmetic number, because the mean of its divisors is an integer number (1949832).

Almost surely, 2^16970290 is an apocalyptic number.

16970290 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16970290 is a deficient number, since it is larger than the sum of its proper divisors (14227022).

16970290 is a wasteful number, since it uses less digits than its factorization.

16970290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36161.

The product of its (nonzero) digits is 6804, while the sum is 34.

The square root of 16970290 is about 4119.5011833959. The cubic root of 16970290 is about 256.9782819641.

The spelling of 16970290 in words is "sixteen million, nine hundred seventy thousand, two hundred ninety".