398283437361 has 8 divisors (see below), whose sum is σ = 541064292480. Its totient is φ = 260512436912.

The previous prime is 398283437333. The next prime is 398283437407. The reversal of 398283437361 is 163734382893.

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

It is a cyclic number.

It is not a de Polignac number, because 398283437361 - 2²¹ = 398281340209 is a prime.

It is a super-2 number, since 2×398283437361² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (398283437311) 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, 1252463481 + ... + 1252463798.

It is an arithmetic number, because the mean of its divisors is an integer number (67633036560).

Almost surely, 2^398283437361 is an apocalyptic number.

It is an amenable number.

398283437361 is a deficient number, since it is larger than the sum of its proper divisors (142780855119).

398283437361 is a wasteful number, since it uses less digits than its factorization.

398283437361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2504927335.

The product of its digits is 15676416, while the sum is 57.

The spelling of 398283437361 in words is "three hundred ninety-eight billion, two hundred eighty-three million, four hundred thirty-seven thousand, three hundred sixty-one".