1834995398 has 4 divisors (see below), whose sum is σ = 2752493100. Its totient is φ = 917497698.

The previous prime is 1834995377. The next prime is 1834995401. The reversal of 1834995398 is 8935994381.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 8935994381 = 103 ⋅86757227.

It is a super-2 number, since 2×1834995398² = 6734416221362356808, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 458748848 + ... + 458748851.

It is an arithmetic number, because the mean of its divisors is an integer number (688123275).

Almost surely, 2^1834995398 is an apocalyptic number.

1834995398 is a deficient number, since it is larger than the sum of its proper divisors (917497702).

1834995398 is an equidigital number, since it uses as much as digits as its factorization.

1834995398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 917497701.

The product of its digits is 8398080, while the sum is 59.

The square root of 1834995398 is about 42836.8462658025. The cubic root of 1834995398 is about 1224.2731543778.

The spelling of 1834995398 in words is "one billion, eight hundred thirty-four million, nine hundred ninety-five thousand, three hundred ninety-eight".