193290468 has 24 divisors (see below), whose sum is σ = 515441472. Its totient is φ = 55225824.

The previous prime is 193290407. The next prime is 193290473. The reversal of 193290468 is 864092391.

It is a super-2 number, since 2×193290468² = 74722410039318048, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

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, 1150455 + ... + 1150622.

It is an arithmetic number, because the mean of its divisors is an integer number (21476728).

Almost surely, 2^193290468 is an apocalyptic number.

It is an amenable number.

193290468 is an abundant number, since it is smaller than the sum of its proper divisors (322151004).

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

193290468 is a wasteful number, since it uses less digits than its factorization.

193290468 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2301091 (or 2301089 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 42.

The square root of 193290468 is about 13902.8942310585. The cubic root of 193290468 is about 578.1894271827.

The spelling of 193290468 in words is "one hundred ninety-three million, two hundred ninety thousand, four hundred sixty-eight".