34821490 has 32 divisors (see below), whose sum is σ = 71979840. Its totient is φ = 11995200.

The previous prime is 34821487. The next prime is 34821497. The reversal of 34821490 is 9412843.

It is not an unprimeable number, because it can be changed into a prime (34821497) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6241 + ... + 10420.

It is an arithmetic number, because the mean of its divisors is an integer number (2249370).

Almost surely, 2^34821490 is an apocalyptic number.

34821490 is an abundant number, since it is smaller than the sum of its proper divisors (37158350).

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

34821490 is a wasteful number, since it uses less digits than its factorization.

34821490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16698.

The product of its (nonzero) digits is 6912, while the sum is 31.

The square root of 34821490 is about 5900.9736484753. The cubic root of 34821490 is about 326.5495704610.

The spelling of 34821490 in words is "thirty-four million, eight hundred twenty-one thousand, four hundred ninety".