103421790 has 24 divisors (see below), whose sum is σ = 268896888. Its totient is φ = 27579120.

The previous prime is 103421783. The next prime is 103421809. The reversal of 103421790 is 97124301.

It is a super-3 number, since 3×103421790³ (a number of 25 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 574476 + ... + 574655.

It is an arithmetic number, because the mean of its divisors is an integer number (11204037).

Almost surely, 2^103421790 is an apocalyptic number.

103421790 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

103421790 is an abundant number, since it is smaller than the sum of its proper divisors (165475098).

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

103421790 is a wasteful number, since it uses less digits than its factorization.

103421790 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1149144 (or 1149141 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 27.

The square root of 103421790 is about 10169.6504364703. The cubic root of 103421790 is about 469.3938012378.

The spelling of 103421790 in words is "one hundred three million, four hundred twenty-one thousand, seven hundred ninety".