398295038 has 4 divisors (see below), whose sum is σ = 597442560. Its totient is φ = 199147518.

The previous prime is 398294999. The next prime is 398295089. The reversal of 398295038 is 830592893.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 830592893 = 13 ⋅63891761.

It is a junction number, because it is equal to n+sod(n) for n = 398294983 and 398295001.

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, 99573758 + ... + 99573761.

It is an arithmetic number, because the mean of its divisors is an integer number (149360640).

Almost surely, 2^398295038 is an apocalyptic number.

398295038 is a deficient number, since it is larger than the sum of its proper divisors (199147522).

398295038 is a wasteful number, since it uses less digits than its factorization.

398295038 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 199147521.

The product of its (nonzero) digits is 466560, while the sum is 47.

The square root of 398295038 is about 19957.3304327007. The cubic root of 398295038 is about 735.7579532031.

It can be divided in two parts, 3982 and 95038, that multiplied together give a triangular number (378441316 = T₂₇₅₁₁).

The spelling of 398295038 in words is "three hundred ninety-eight million, two hundred ninety-five thousand, thirty-eight".