1345879898 has 16 divisors (see below), whose sum is σ = 2222557920. Its totient is φ = 606150000.

The previous prime is 1345879889. The next prime is 1345879907. The reversal of 1345879898 is 8989785431.

It is an interprime number because it is at equal distance from previous prime (1345879889) and next prime (1345879907).

It is a super-2 number, since 2×1345879898² = 3622785399680980808, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1345879898.

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, 278228 + ... + 283023.

It is an arithmetic number, because the mean of its divisors is an integer number (138909870).

Almost surely, 2^1345879898 is an apocalyptic number.

1345879898 is a deficient number, since it is larger than the sum of its proper divisors (876678022).

1345879898 is a wasteful number, since it uses less digits than its factorization.

1345879898 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 561373.

The product of its digits is 17418240, while the sum is 62.

The square root of 1345879898 is about 36686.2358112685. The cubic root of 1345879898 is about 1104.0839641778.

The spelling of 1345879898 in words is "one billion, three hundred forty-five million, eight hundred seventy-nine thousand, eight hundred ninety-eight".