103439190 has 32 divisors (see below), whose sum is σ = 251755776. Its totient is φ = 27194720.

The previous prime is 103439137. The next prime is 103439197. The reversal of 103439190 is 91934301.

It is a super-2 number, since 2×103439190² = 21399332055712200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103439197) 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, 22152 + ... + 26411.

It is an arithmetic number, because the mean of its divisors is an integer number (7867368).

Almost surely, 2^103439190 is an apocalyptic number.

103439190 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

103439190 is an abundant number, since it is smaller than the sum of its proper divisors (148316586).

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

103439190 is a wasteful number, since it uses less digits than its factorization.

103439190 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48644.

The product of its (nonzero) digits is 2916, while the sum is 30.

The square root of 103439190 is about 10170.5058871228. The cubic root of 103439190 is about 469.4201238472.

The spelling of 103439190 in words is "one hundred three million, four hundred thirty-nine thousand, one hundred ninety".