103490690 has 16 divisors (see below), whose sum is σ = 186409080. Its totient is φ = 41368320.

The previous prime is 103490689. The next prime is 103490693. The reversal of 103490690 is 96094301.

It can be written as a sum of positive squares in 4 ways, for example, as 91718929 + 11771761 = 9577^2 + 3431^2 .

It is a super-2 number, since 2×103490690² = 21420645833352200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (103490693) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18860 + ... + 23720.

Almost surely, 2^103490690 is an apocalyptic number.

103490690 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

103490690 is a deficient number, since it is larger than the sum of its proper divisors (82918390).

103490690 is a wasteful number, since it uses less digits than its factorization.

103490690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6997.

The product of its (nonzero) digits is 5832, while the sum is 32.

The square root of 103490690 is about 10173.0374028606. The cubic root of 103490690 is about 469.4980154258.

The spelling of 103490690 in words is "one hundred three million, four hundred ninety thousand, six hundred ninety".