234493690 has 8 divisors (see below), whose sum is σ = 422088660. Its totient is φ = 93797472.

The previous prime is 234493621. The next prime is 234493691. The reversal of 234493690 is 96394432.

It can be written as a sum of positive squares in 2 ways, for example, as 199459129 + 35034561 = 14123^2 + 5919^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×234493690² = 109974581299632200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (234493691) 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, 11724675 + ... + 11724694.

Almost surely, 2^234493690 is an apocalyptic number.

234493690 is a deficient number, since it is larger than the sum of its proper divisors (187594970).

234493690 is a wasteful number, since it uses less digits than its factorization.

234493690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23449376.

The product of its (nonzero) digits is 139968, while the sum is 40.

The square root of 234493690 is about 15313.1868009242. The cubic root of 234493690 is about 616.6570773608.

The spelling of 234493690 in words is "two hundred thirty-four million, four hundred ninety-three thousand, six hundred ninety".