398347038 has 16 divisors (see below), whose sum is σ = 885215760. Its totient is φ = 132782328.

The previous prime is 398347031. The next prime is 398347049. The reversal of 398347038 is 830743893.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 398346984 and 398347002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (398347031) 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, 3688345 + ... + 3688452.

It is an arithmetic number, because the mean of its divisors is an integer number (55325985).

Almost surely, 2^398347038 is an apocalyptic number.

398347038 is an abundant number, since it is smaller than the sum of its proper divisors (486868722).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

398347038 is a wasteful number, since it uses less digits than its factorization.

398347038 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7376808 (or 7376802 counting only the distinct ones).

The product of its (nonzero) digits is 435456, while the sum is 45.

The square root of 398347038 is about 19958.6331696336. The cubic root of 398347038 is about 735.7899711337.

The spelling of 398347038 in words is "three hundred ninety-eight million, three hundred forty-seven thousand, thirty-eight".