10498978 has 8 divisors (see below), whose sum is σ = 17998272. Its totient is φ = 4499556.

The previous prime is 10498949. The next prime is 10498981. The reversal of 10498978 is 87989401.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×10498978² = 220457078088968, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 374950 + ... + 374977.

It is an arithmetic number, because the mean of its divisors is an integer number (2249784).

Almost surely, 2^10498978 is an apocalyptic number.

10498978 is a deficient number, since it is larger than the sum of its proper divisors (7499294).

10498978 is an equidigital number, since it uses as much as digits as its factorization.

10498978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 749936.

The product of its (nonzero) digits is 145152, while the sum is 46.

The square root of 10498978 is about 3240.2126473428. The cubic root of 10498978 is about 218.9688522106.

It can be divided in two parts, 10498 and 978, that added together give a triangular number (11476 = T₁₅₁).

The spelling of 10498978 in words is "ten million, four hundred ninety-eight thousand, nine hundred seventy-eight".