398459070 has 96 divisors (see below), whose sum is σ = 1116086400. Its totient is φ = 98304192.

The previous prime is 398459063. The next prime is 398459077. The reversal of 398459070 is 70954893.

It is an interprime number because it is at equal distance from previous prime (398459063) and next prime (398459077).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (398459077) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 70821 + ... + 76239.

It is an arithmetic number, because the mean of its divisors is an integer number (11625900).

Almost surely, 2^398459070 is an apocalyptic number.

398459070 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 398459070, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (558043200).

398459070 is an abundant number, since it is smaller than the sum of its proper divisors (717627330).

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

398459070 is a wasteful number, since it uses less digits than its factorization.

398459070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5494 (or 5491 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 45.

The square root of 398459070 is about 19961.4395773451. The cubic root of 398459070 is about 735.8589430665.

The spelling of 398459070 in words is "three hundred ninety-eight million, four hundred fifty-nine thousand, seventy".