398051370 has 48 divisors (see below), whose sum is σ = 1060185672. Its totient is φ = 103557120.

The previous prime is 398051351. The next prime is 398051389. The reversal of 398051370 is 73150893.

It is an interprime number because it is at equal distance from previous prime (398051351) and next prime (398051389).

It can be written as a sum of positive squares in 4 ways, for example, as 336318921 + 61732449 = 18339^2 + 7857^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 50247 + ... + 57626.

Almost surely, 2^398051370 is an apocalyptic number.

398051370 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

398051370 is an abundant number, since it is smaller than the sum of its proper divisors (662134302).

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

398051370 is a wasteful number, since it uses less digits than its factorization.

398051370 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107927 (or 107924 counting only the distinct ones).

The product of its (nonzero) digits is 22680, while the sum is 36.

The square root of 398051370 is about 19951.2247744343. The cubic root of 398051370 is about 735.6078825065.

The spelling of 398051370 in words is "three hundred ninety-eight million, fifty-one thousand, three hundred seventy".