348778401 has 8 divisors (see below), whose sum is σ = 465752640. Its totient is φ = 232161552.

The previous prime is 348778379. The next prime is 348778433. The reversal of 348778401 is 104877843.

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

It is not a de Polignac number, because 348778401 - 2⁵ = 348778369 is a prime.

It is not an unprimeable number, because it can be changed into a prime (348778471) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 87061 + ... + 90978.

It is an arithmetic number, because the mean of its divisors is an integer number (58219080).

Almost surely, 2^348778401 is an apocalyptic number.

It is an amenable number.

348778401 is a deficient number, since it is larger than the sum of its proper divisors (116974239).

348778401 is a wasteful number, since it uses less digits than its factorization.

348778401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178695.

The product of its (nonzero) digits is 150528, while the sum is 42.

The square root of 348778401 is about 18675.6097892412. The cubic root of 348778401 is about 703.9090152572.

The spelling of 348778401 in words is "three hundred forty-eight million, seven hundred seventy-eight thousand, four hundred one".