103409397 has 48 divisors (see below), whose sum is σ = 189815808. Its totient is φ = 52773120.

The previous prime is 103409393. The next prime is 103409407. The reversal of 103409397 is 793904301.

It is not a de Polignac number, because 103409397 - 2² = 103409393 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103409393) 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, 23353 + ... + 27425.

It is an arithmetic number, because the mean of its divisors is an integer number (3954496).

Almost surely, 2^103409397 is an apocalyptic number.

It is an amenable number.

103409397 is a deficient number, since it is larger than the sum of its proper divisors (86406411).

103409397 is a wasteful number, since it uses less digits than its factorization.

103409397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4130 (or 4127 counting only the distinct ones).

The product of its (nonzero) digits is 20412, while the sum is 36.

The square root of 103409397 is about 10169.0411052370. The cubic root of 103409397 is about 469.3750513858.

The spelling of 103409397 in words is "one hundred three million, four hundred nine thousand, three hundred ninety-seven".