290993412 has 12 divisors (see below), whose sum is σ = 678984656. Its totient is φ = 96997800.

The previous prime is 290993407. The next prime is 290993413. The reversal of 290993412 is 214399092.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (290993413) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12124714 + ... + 12124737.

Almost surely, 2^290993412 is an apocalyptic number.

It is an amenable number.

290993412 is an abundant number, since it is smaller than the sum of its proper divisors (387991244).

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

290993412 is a wasteful number, since it uses less digits than its factorization.

290993412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24249458 (or 24249456 counting only the distinct ones).

The product of its (nonzero) digits is 34992, while the sum is 39.

The square root of 290993412 is about 17058.5290104393. The cubic root of 290993412 is about 662.6655379384.

The spelling of 290993412 in words is "two hundred ninety million, nine hundred ninety-three thousand, four hundred twelve".