90103400 has 48 divisors (see below), whose sum is σ = 221821740. Its totient is φ = 33920000.

The previous prime is 90103381. The next prime is 90103423. The reversal of 90103400 is 430109.

It can be written as a sum of positive squares in 6 ways, for example, as 38464804 + 51638596 = 6202^2 + 7186^2 .

It is a Harshad number since it is a multiple of its sum of digits (17).

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, 9851 + ... + 16650.

Almost surely, 2^90103400 is an apocalyptic number.

It is an amenable number.

90103400 is an abundant number, since it is smaller than the sum of its proper divisors (131718340).

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

90103400 is a wasteful number, since it uses less digits than its factorization.

90103400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26534 (or 26525 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 17.

The square root of 90103400 is about 9492.2810746416. The cubic root of 90103400 is about 448.3120301771.

Adding to 90103400 its reverse (430109), we get a palindrome (90533509).

The spelling of 90103400 in words is "ninety million, one hundred three thousand, four hundred".