18413970 has 32 divisors (see below), whose sum is σ = 44418240. Its totient is φ = 4885440.

The previous prime is 18413963. The next prime is 18413977. The reversal of 18413970 is 7931481.

It is an interprime number because it is at equal distance from previous prime (18413963) and next prime (18413977).

It is a super-3 number, since 3×18413970³ (a number of 23 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (18413977) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4876 + ... + 7784.

It is an arithmetic number, because the mean of its divisors is an integer number (1388070).

Almost surely, 2^18413970 is an apocalyptic number.

18413970 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

18413970 is an abundant number, since it is smaller than the sum of its proper divisors (26004270).

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

18413970 is a wasteful number, since it uses less digits than its factorization.

18413970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3130.

The product of its (nonzero) digits is 6048, while the sum is 33.

The square root of 18413970 is about 4291.1501954604. The cubic root of 18413970 is about 264.0680208105.

The spelling of 18413970 in words is "eighteen million, four hundred thirteen thousand, nine hundred seventy".