208449330 has 32 divisors (see below), whose sum is σ = 512483328. Its totient is φ = 54230400.

The previous prime is 208449313. The next prime is 208449349. The reversal of 208449330 is 33944802.

It is a super-2 number, since 2×208449330² = 86902246354897800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 208449291 and 208449300.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 83506 + ... + 85965.

It is an arithmetic number, because the mean of its divisors is an integer number (16015104).

Almost surely, 2^208449330 is an apocalyptic number.

208449330 is an abundant number, since it is smaller than the sum of its proper divisors (304033998).

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

208449330 is a wasteful number, since it uses less digits than its factorization.

208449330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 169522.

The product of its (nonzero) digits is 20736, while the sum is 33.

The square root of 208449330 is about 14437.7744129765. The cubic root of 208449330 is about 592.9255537394.

The spelling of 208449330 in words is "two hundred eight million, four hundred forty-nine thousand, three hundred thirty".