103957491 has 16 divisors (see below), whose sum is σ = 151987968. Its totient is φ = 62680800.

The previous prime is 103957463. The next prime is 103957507. The reversal of 103957491 is 194759301.

It is a happy number.

It is not a de Polignac number, because 103957491 - 2⁵ = 103957459 is a prime.

It is not an unprimeable number, because it can be changed into a prime (103957421) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1495 + ... + 14496.

It is an arithmetic number, because the mean of its divisors is an integer number (9499248).

Almost surely, 2^103957491 is an apocalyptic number.

103957491 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

103957491 is a deficient number, since it is larger than the sum of its proper divisors (48030477).

103957491 is a wasteful number, since it uses less digits than its factorization.

103957491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16202.

The product of its (nonzero) digits is 34020, while the sum is 39.

The square root of 103957491 is about 10195.9546389732. The cubic root of 103957491 is about 470.2028564495.

The spelling of 103957491 in words is "one hundred three million, nine hundred fifty-seven thousand, four hundred ninety-one".