349025619 has 16 divisors (see below), whose sum is σ = 476278272. Its totient is φ = 227249568.

The previous prime is 349025603. The next prime is 349025647. The reversal of 349025619 is 916520943.

It is not a de Polignac number, because 349025619 - 2⁴ = 349025603 is a prime.

It is a super-2 number, since 2×349025619² = 243637765436666322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (349025689) 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, 71377 + ... + 76109.

It is an arithmetic number, because the mean of its divisors is an integer number (29767392).

Almost surely, 2^349025619 is an apocalyptic number.

349025619 is a deficient number, since it is larger than the sum of its proper divisors (127252653).

349025619 is a wasteful number, since it uses less digits than its factorization.

349025619 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5306.

The product of its (nonzero) digits is 58320, while the sum is 39.

The square root of 349025619 is about 18682.2273565012. The cubic root of 349025619 is about 704.0752888176.

The spelling of 349025619 in words is "three hundred forty-nine million, twenty-five thousand, six hundred nineteen".