398602619 has 6 divisors (see below), whose sum is σ = 411876540. Its totient is φ = 385743540.

The previous prime is 398602613. The next prime is 398602649. The reversal of 398602619 is 916206893.

It is not a de Polignac number, because 398602619 - 2¹² = 398598523 is a prime.

It is a super-2 number, since 2×398602619² = 317768095747318322, 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 398602619.

It is not an unprimeable number, because it can be changed into a prime (398602613) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 206429 + ... + 208350.

It is an arithmetic number, because the mean of its divisors is an integer number (68646090).

Almost surely, 2^398602619 is an apocalyptic number.

398602619 is a deficient number, since it is larger than the sum of its proper divisors (13273921).

398602619 is an equidigital number, since it uses as much as digits as its factorization.

398602619 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 414841 (or 414810 counting only the distinct ones).

The product of its (nonzero) digits is 139968, while the sum is 44.

The square root of 398602619 is about 19965.0349110639. The cubic root of 398602619 is about 735.9472993879.

The spelling of 398602619 in words is "three hundred ninety-eight million, six hundred two thousand, six hundred nineteen".