109400461 has 4 divisors (see below), whose sum is σ = 115158400. Its totient is φ = 103642524.

The previous prime is 109400437. The next prime is 109400477. The reversal of 109400461 is 164004901.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 164004901 = 1429 ⋅114769.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-109400461 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109400561) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2878941 + ... + 2878978.

It is an arithmetic number, because the mean of its divisors is an integer number (28789600).

Almost surely, 2^109400461 is an apocalyptic number.

It is an amenable number.

109400461 is a deficient number, since it is larger than the sum of its proper divisors (5757939).

109400461 is an equidigital number, since it uses as much as digits as its factorization.

109400461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5757938.

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 109400461 is about 10459.4675294682. The cubic root of 109400461 is about 478.2699014927.

The spelling of 109400461 in words is "one hundred nine million, four hundred thousand, four hundred sixty-one".