249026430 has 16 divisors (see below), whose sum is σ = 597663504. Its totient is φ = 66407040.

The previous prime is 249026429. The next prime is 249026431. The reversal of 249026430 is 34620942.

It is an interprime number because it is at equal distance from previous prime (249026429) and next prime (249026431).

It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 8300881 = 249026430 / (2 + 4 + 9 + 0 + 2 + 6 + 4 + 3 + 0).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (249026431) 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, 4150411 + ... + 4150470.

It is an arithmetic number, because the mean of its divisors is an integer number (37353969).

Almost surely, 2^249026430 is an apocalyptic number.

249026430 is an abundant number, since it is smaller than the sum of its proper divisors (348637074).

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

249026430 is a wasteful number, since it uses less digits than its factorization.

249026430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8300891.

The product of its (nonzero) digits is 10368, while the sum is 30.

The square root of 249026430 is about 15780.5712824346. The cubic root of 249026430 is about 629.1417135745.

It can be divided in two parts, 2490 and 26430, that added together give a triangular number (28920 = T₂₄₀).

The spelling of 249026430 in words is "two hundred forty-nine million, twenty-six thousand, four hundred thirty".