103399546 has 4 divisors (see below), whose sum is σ = 155099322. Its totient is φ = 51699772.

The previous prime is 103399531. The next prime is 103399567. The reversal of 103399546 is 645993301.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 645993301 = 59 ⋅10949039.

It can be written as a sum of positive squares in only one way, i.e., 69305625 + 34093921 = 8325^2 + 5839^2 .

It is a super-2 number, since 2×103399546² = 21382932226012232, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 103399499 and 103399508.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25849885 + ... + 25849888.

Almost surely, 2^103399546 is an apocalyptic number.

103399546 is a deficient number, since it is larger than the sum of its proper divisors (51699776).

103399546 is an equidigital number, since it uses as much as digits as its factorization.

103399546 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51699775.

The product of its (nonzero) digits is 87480, while the sum is 40.

The square root of 103399546 is about 10168.5567314147. The cubic root of 103399546 is about 469.3601463559.

The spelling of 103399546 in words is "one hundred three million, three hundred ninety-nine thousand, five hundred forty-six".